75290175

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 140348160

約数和(自身を除く): 65057985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1571, 1775, 1917, 3195, 4713, 5325, 7855, 9585, 14139, 15975, 23565, 39275, 42417, 47925, 70695, 111541, 117825, 212085, 334623, 353475, 557705, 1003869, 1060425, 1673115, 2788525, 3011607, 5019345, 8365575, 15058035, 25096725, 75290175]

約数ペア:

[(1, 75290175), (3, 25096725), (5, 15058035), (9, 8365575), (15, 5019345), (25, 3011607), (27, 2788525), (45, 1673115), (71, 1060425), (75, 1003869), (135, 557705), (213, 353475), (225, 334623), (355, 212085), (639, 117825), (675, 111541), (1065, 70695), (1571, 47925), (1775, 42417), (1917, 39275), (3195, 23565), (4713, 15975), (5325, 14139), (7855, 9585)]