81909828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2273}}^1$

素因数の和:2314

約数の個数: 144

約数和(自身を含む): 278119296

約数和(自身を除く): 196209468

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 693, 819, 858, 924, 1001, 1092, 1287, 1386, 1638, 1716, 2002, 2273, 2574, 2772, 3003, 3276, 4004, 4546, 5148, 6006, 6819, 9009, 9092, 12012, 13638, 15911, 18018, 20457, 25003, 27276, 29549, 31822, 36036, 40914, 47733, 50006, 59098, 63644, 75009, 81828, 88647, 95466, 100012, 118196, 143199, 150018, 175021, 177294, 190932, 206843, 225027, 265941, 286398, 300036, 325039, 350042, 354588, 413686, 450054, 525063, 531882, 572796, 620529, 650078, 700084, 827372, 900108, 975117, 1050126, 1063764, 1241058, 1300156, 1575189, 1861587, 1950234, 2100252, 2275273, 2482116, 2925351, 3150378, 3723174, 3900468, 4550546, 5850702, 6300756, 6825819, 7446348, 9101092, 11701404, 13651638, 20477457, 27303276, 40954914, 81909828]

約数ペア:

[(1, 81909828), (2, 40954914), (3, 27303276), (4, 20477457), (6, 13651638), (7, 11701404), (9, 9101092), (11, 7446348), (12, 6825819), (13, 6300756), (14, 5850702), (18, 4550546), (21, 3900468), (22, 3723174), (26, 3150378), (28, 2925351), (33, 2482116), (36, 2275273), (39, 2100252), (42, 1950234), (44, 1861587), (52, 1575189), (63, 1300156), (66, 1241058), (77, 1063764), (78, 1050126), (84, 975117), (91, 900108), (99, 827372), (117, 700084), (126, 650078), (132, 620529), (143, 572796), (154, 531882), (156, 525063), (182, 450054), (198, 413686), (231, 354588), (234, 350042), (252, 325039), (273, 300036), (286, 286398), (308, 265941), (364, 225027), (396, 206843), (429, 190932), (462, 177294), (468, 175021), (546, 150018), (572, 143199), (693, 118196), (819, 100012), (858, 95466), (924, 88647), (1001, 81828), (1092, 75009), (1287, 63644), (1386, 59098), (1638, 50006), (1716, 47733), (2002, 40914), (2273, 36036), (2574, 31822), (2772, 29549), (3003, 27276), (3276, 25003), (4004, 20457), (4546, 18018), (5148, 15911), (6006, 13638), (6819, 12012), (9009, 9092)]