338278317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1031}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 499322880

約数和(自身を除く): 161044563

約数列:

[1, 3, 13, 39, 47, 141, 179, 537, 611, 1031, 1833, 2327, 3093, 6981, 8413, 13403, 25239, 40209, 48457, 109369, 145371, 184549, 328107, 553647, 629941, 1889823, 2399137, 7197411, 8673803, 26021409, 112759439, 338278317]

約数ペア:

[(1, 338278317), (3, 112759439), (13, 26021409), (39, 8673803), (47, 7197411), (141, 2399137), (179, 1889823), (537, 629941), (611, 553647), (1031, 328107), (1833, 184549), (2327, 145371), (3093, 109369), (6981, 48457), (8413, 40209), (13403, 25239)]