47403993

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 84783168

約数和(自身を除く): 37379175

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 57, 91, 111, 133, 169, 247, 259, 273, 361, 399, 481, 507, 703, 741, 777, 1083, 1183, 1443, 1729, 2109, 2527, 3211, 3367, 3549, 4693, 4921, 5187, 6253, 7581, 9139, 9633, 10101, 13357, 14079, 14763, 18759, 22477, 27417, 32851, 40071, 43771, 61009, 63973, 67431, 93499, 98553, 118807, 131313, 173641, 183027, 191919, 280497, 356421, 427063, 520923, 831649, 1215487, 1281189, 2257333, 2494947, 3646461, 6771999, 15801331, 47403993]

約数ペア:

[(1, 47403993), (3, 15801331), (7, 6771999), (13, 3646461), (19, 2494947), (21, 2257333), (37, 1281189), (39, 1215487), (57, 831649), (91, 520923), (111, 427063), (133, 356421), (169, 280497), (247, 191919), (259, 183027), (273, 173641), (361, 131313), (399, 118807), (481, 98553), (507, 93499), (703, 67431), (741, 63973), (777, 61009), (1083, 43771), (1183, 40071), (1443, 32851), (1729, 27417), (2109, 22477), (2527, 18759), (3211, 14763), (3367, 14079), (3549, 13357), (4693, 10101), (4921, 9633), (5187, 9139), (6253, 7581)]