1276425

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 2460160

約数和(自身を除く): 1183735

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 61, 75, 93, 135, 155, 183, 225, 279, 305, 465, 549, 675, 775, 837, 915, 1395, 1525, 1647, 1891, 2325, 2745, 4185, 4575, 5673, 6975, 8235, 9455, 13725, 17019, 20925, 28365, 41175, 47275, 51057, 85095, 141825, 255285, 425475, 1276425]

約数ペア:

[(1, 1276425), (3, 425475), (5, 255285), (9, 141825), (15, 85095), (25, 51057), (27, 47275), (31, 41175), (45, 28365), (61, 20925), (75, 17019), (93, 13725), (135, 9455), (155, 8235), (183, 6975), (225, 5673), (279, 4575), (305, 4185), (465, 2745), (549, 2325), (675, 1891), (775, 1647), (837, 1525), (915, 1395)]