51143625

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 72

約数和(自身を含む): 100203480

約数和(自身を除く): 49059855

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 169, 195, 225, 269, 325, 375, 507, 585, 807, 845, 975, 1125, 1345, 1521, 1625, 2421, 2535, 2925, 3497, 4035, 4225, 4875, 6725, 7605, 10491, 12105, 12675, 14625, 17485, 20175, 21125, 31473, 33625, 38025, 45461, 52455, 60525, 63375, 87425, 100875, 136383, 157365, 190125, 227305, 262275, 302625, 409149, 437125, 681915, 786825, 1136525, 1311375, 2045745, 3409575, 3934125, 5682625, 10228725, 17047875, 51143625]

約数ペア:

[(1, 51143625), (3, 17047875), (5, 10228725), (9, 5682625), (13, 3934125), (15, 3409575), (25, 2045745), (39, 1311375), (45, 1136525), (65, 786825), (75, 681915), (117, 437125), (125, 409149), (169, 302625), (195, 262275), (225, 227305), (269, 190125), (325, 157365), (375, 136383), (507, 100875), (585, 87425), (807, 63375), (845, 60525), (975, 52455), (1125, 45461), (1345, 38025), (1521, 33625), (1625, 31473), (2421, 21125), (2535, 20175), (2925, 17485), (3497, 14625), (4035, 12675), (4225, 12105), (4875, 10491), (6725, 7605)]