256622625

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{32587}}^1$

素因数の和:32615

約数の個数: 48

約数和(自身を含む): 528707712

約数和(自身を除く): 272085087

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 7875, 32587, 97761, 162935, 228109, 293283, 488805, 684327, 814675, 1140545, 1466415, 2052981, 2444025, 3421635, 4073375, 5702725, 7332075, 10264905, 12220125, 17108175, 28513625, 36660375, 51324525, 85540875, 256622625]

約数ペア:

[(1, 256622625), (3, 85540875), (5, 51324525), (7, 36660375), (9, 28513625), (15, 17108175), (21, 12220125), (25, 10264905), (35, 7332075), (45, 5702725), (63, 4073375), (75, 3421635), (105, 2444025), (125, 2052981), (175, 1466415), (225, 1140545), (315, 814675), (375, 684327), (525, 488805), (875, 293283), (1125, 228109), (1575, 162935), (2625, 97761), (7875, 32587)]