87645855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{821}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 153404928

約数和(自身を除く): 65759073

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 647, 821, 1941, 2463, 3235, 4105, 7117, 9031, 9705, 12315, 21351, 27093, 35585, 45155, 106755, 135465, 531187, 1593561, 2655935, 5843057, 7967805, 17529171, 29215285, 87645855]

約数ペア:

[(1, 87645855), (3, 29215285), (5, 17529171), (11, 7967805), (15, 5843057), (33, 2655935), (55, 1593561), (165, 531187), (647, 135465), (821, 106755), (1941, 45155), (2463, 35585), (3235, 27093), (4105, 21351), (7117, 12315), (9031, 9705)]