81322395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 163537920

約数和(自身を除く): 82215525

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 181, 231, 385, 389, 543, 905, 1155, 1167, 1267, 1945, 1991, 2715, 2723, 3801, 4279, 5835, 5973, 6335, 8169, 9955, 12837, 13615, 13937, 19005, 21395, 29865, 29953, 40845, 41811, 64185, 69685, 70409, 89859, 149765, 209055, 211227, 352045, 449295, 492863, 774499, 1056135, 1478589, 2323497, 2464315, 3872495, 5421493, 7392945, 11617485, 16264479, 27107465, 81322395]

約数ペア:

[(1, 81322395), (3, 27107465), (5, 16264479), (7, 11617485), (11, 7392945), (15, 5421493), (21, 3872495), (33, 2464315), (35, 2323497), (55, 1478589), (77, 1056135), (105, 774499), (165, 492863), (181, 449295), (231, 352045), (385, 211227), (389, 209055), (543, 149765), (905, 89859), (1155, 70409), (1167, 69685), (1267, 64185), (1945, 41811), (1991, 40845), (2715, 29953), (2723, 29865), (3801, 21395), (4279, 19005), (5835, 13937), (5973, 13615), (6335, 12837), (8169, 9955)]