25981425

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 48588160

約数和(自身を除く): 22606735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 631, 675, 915, 1525, 1647, 1893, 2745, 3155, 4575, 5679, 8235, 9465, 13725, 15775, 17037, 28395, 38491, 41175, 47325, 85185, 115473, 141975, 192455, 346419, 425925, 577365, 962275, 1039257, 1732095, 2886825, 5196285, 8660475, 25981425]

約数ペア:

[(1, 25981425), (3, 8660475), (5, 5196285), (9, 2886825), (15, 1732095), (25, 1039257), (27, 962275), (45, 577365), (61, 425925), (75, 346419), (135, 192455), (183, 141975), (225, 115473), (305, 85185), (549, 47325), (631, 41175), (675, 38491), (915, 28395), (1525, 17037), (1647, 15775), (1893, 13725), (2745, 9465), (3155, 8235), (4575, 5679)]