203400405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1283}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 381378816

約数和(自身を除く): 177978411

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 271, 585, 813, 1283, 1355, 2439, 3523, 3849, 4065, 6415, 10569, 11547, 12195, 16679, 17615, 19245, 31707, 50037, 52845, 57735, 83395, 150111, 158535, 250185, 347693, 750555, 1043079, 1738465, 3129237, 4520009, 5215395, 13560027, 15646185, 22600045, 40680081, 67800135, 203400405]

約数ペア:

[(1, 203400405), (3, 67800135), (5, 40680081), (9, 22600045), (13, 15646185), (15, 13560027), (39, 5215395), (45, 4520009), (65, 3129237), (117, 1738465), (195, 1043079), (271, 750555), (585, 347693), (813, 250185), (1283, 158535), (1355, 150111), (2439, 83395), (3523, 57735), (3849, 52845), (4065, 50037), (6415, 31707), (10569, 19245), (11547, 17615), (12195, 16679)]