74627775

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{7057}}^1$

素因数の和:7120

約数の個数: 36

約数和(自身を含む): 136529952

約数和(自身を除く): 61902177

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 7057, 10575, 21171, 35285, 63513, 105855, 176425, 317565, 331679, 529275, 995037, 1587825, 1658395, 2985111, 4975185, 8291975, 14925555, 24875925, 74627775]

約数ペア:

[(1, 74627775), (3, 24875925), (5, 14925555), (9, 8291975), (15, 4975185), (25, 2985111), (45, 1658395), (47, 1587825), (75, 995037), (141, 529275), (225, 331679), (235, 317565), (423, 176425), (705, 105855), (1175, 63513), (2115, 35285), (3525, 21171), (7057, 10575)]