688503645

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 120

約数和(自身を含む): 1340907480

約数和(自身を除く): 652403835

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 61, 81, 87, 93, 135, 145, 155, 183, 261, 279, 305, 405, 435, 465, 549, 783, 837, 899, 915, 961, 1305, 1395, 1647, 1769, 1891, 2349, 2511, 2697, 2745, 2883, 3915, 4185, 4495, 4805, 4941, 5307, 5673, 8091, 8235, 8649, 8845, 9455, 11745, 12555, 13485, 14415, 15921, 17019, 24273, 24705, 25947, 26535, 27869, 28365, 40455, 43245, 47763, 51057, 54839, 58621, 72819, 77841, 79605, 83607, 85095, 121365, 129735, 139345, 143289, 153171, 164517, 175863, 238815, 250821, 255285, 274195, 293105, 364095, 389205, 418035, 493551, 527589, 716445, 752463, 765855, 822585, 879315, 1254105, 1480653, 1582767, 1700009, 2257389, 2467755, 2637945, 3762315, 4441959, 4748301, 5100027, 7403265, 7913835, 8500045, 11286945, 15300081, 22209795, 23741505, 25500135, 45900243, 76500405, 137700729, 229501215, 688503645]

約数ペア:

[(1, 688503645), (3, 229501215), (5, 137700729), (9, 76500405), (15, 45900243), (27, 25500135), (29, 23741505), (31, 22209795), (45, 15300081), (61, 11286945), (81, 8500045), (87, 7913835), (93, 7403265), (135, 5100027), (145, 4748301), (155, 4441959), (183, 3762315), (261, 2637945), (279, 2467755), (305, 2257389), (405, 1700009), (435, 1582767), (465, 1480653), (549, 1254105), (783, 879315), (837, 822585), (899, 765855), (915, 752463), (961, 716445), (1305, 527589), (1395, 493551), (1647, 418035), (1769, 389205), (1891, 364095), (2349, 293105), (2511, 274195), (2697, 255285), (2745, 250821), (2883, 238815), (3915, 175863), (4185, 164517), (4495, 153171), (4805, 143289), (4941, 139345), (5307, 129735), (5673, 121365), (8091, 85095), (8235, 83607), (8649, 79605), (8845, 77841), (9455, 72819), (11745, 58621), (12555, 54839), (13485, 51057), (14415, 47763), (15921, 43245), (17019, 40455), (24273, 28365), (24705, 27869), (25947, 26535)]