81343764

素因数分解:

$2^2\times 3^5\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 217395360

約数和(自身を除く): 136051596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 243, 318, 324, 477, 486, 636, 954, 972, 1431, 1579, 1908, 2862, 3158, 4293, 4737, 5724, 6316, 8586, 9474, 12879, 14211, 17172, 18948, 25758, 28422, 42633, 51516, 56844, 83687, 85266, 127899, 167374, 170532, 251061, 255798, 334748, 383697, 502122, 511596, 753183, 767394, 1004244, 1506366, 1534788, 2259549, 3012732, 4519098, 6778647, 9038196, 13557294, 20335941, 27114588, 40671882, 81343764]

約数ペア:

[(1, 81343764), (2, 40671882), (3, 27114588), (4, 20335941), (6, 13557294), (9, 9038196), (12, 6778647), (18, 4519098), (27, 3012732), (36, 2259549), (53, 1534788), (54, 1506366), (81, 1004244), (106, 767394), (108, 753183), (159, 511596), (162, 502122), (212, 383697), (243, 334748), (318, 255798), (324, 251061), (477, 170532), (486, 167374), (636, 127899), (954, 85266), (972, 83687), (1431, 56844), (1579, 51516), (1908, 42633), (2862, 28422), (3158, 25758), (4293, 18948), (4737, 17172), (5724, 14211), (6316, 12879), (8586, 9474)]