253485687

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1667}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 416973312

約数和(自身を除く): 163487625

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 557, 1667, 1671, 3899, 5001, 7241, 11669, 11697, 21671, 21723, 35007, 50687, 65013, 151697, 152061, 455091, 928519, 2785557, 6499633, 12070747, 19498899, 36212241, 84495229, 253485687]

約数ペア:

[(1, 253485687), (3, 84495229), (7, 36212241), (13, 19498899), (21, 12070747), (39, 6499633), (91, 2785557), (273, 928519), (557, 455091), (1667, 152061), (1671, 151697), (3899, 65013), (5001, 50687), (7241, 35007), (11669, 21723), (11697, 21671)]