90258987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17401}}^1$

素因数の和:17443

約数の個数: 32

約数和(自身を含む): 155921920

約数和(自身を除く): 65662933

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 17401, 52203, 121807, 226213, 330619, 365421, 678639, 991857, 1583491, 2314333, 4298047, 4750473, 6942999, 12894141, 30086329, 90258987]

約数ペア:

[(1, 90258987), (3, 30086329), (7, 12894141), (13, 6942999), (19, 4750473), (21, 4298047), (39, 2314333), (57, 1583491), (91, 991857), (133, 678639), (247, 365421), (273, 330619), (399, 226213), (741, 121807), (1729, 52203), (5187, 17401)]