31980375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 68530176

約数和(自身を除く): 36549801

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 125, 131, 155, 175, 217, 225, 279, 315, 375, 393, 465, 525, 651, 655, 775, 875, 917, 1085, 1125, 1179, 1395, 1575, 1953, 1965, 2325, 2625, 2751, 3255, 3275, 3875, 4061, 4585, 5425, 5895, 6975, 7875, 8253, 9765, 9825, 11625, 12183, 13755, 16275, 16375, 20305, 22925, 27125, 28427, 29475, 34875, 36549, 41265, 48825, 49125, 60915, 68775, 81375, 85281, 101525, 114625, 142135, 147375, 182745, 206325, 244125, 255843, 304575, 343875, 426405, 507625, 710675, 913725, 1031625, 1279215, 1522875, 2132025, 3553375, 4568625, 6396075, 10660125, 31980375]

約数ペア:

[(1, 31980375), (3, 10660125), (5, 6396075), (7, 4568625), (9, 3553375), (15, 2132025), (21, 1522875), (25, 1279215), (31, 1031625), (35, 913725), (45, 710675), (63, 507625), (75, 426405), (93, 343875), (105, 304575), (125, 255843), (131, 244125), (155, 206325), (175, 182745), (217, 147375), (225, 142135), (279, 114625), (315, 101525), (375, 85281), (393, 81375), (465, 68775), (525, 60915), (651, 49125), (655, 48825), (775, 41265), (875, 36549), (917, 34875), (1085, 29475), (1125, 28427), (1179, 27125), (1395, 22925), (1575, 20305), (1953, 16375), (1965, 16275), (2325, 13755), (2625, 12183), (2751, 11625), (3255, 9825), (3275, 9765), (3875, 8253), (4061, 7875), (4585, 6975), (5425, 5895)]