201920445

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6311}}^1$

素因数の和:6407

約数の個数: 40

約数和(自身を含む): 366600960

約数和(自身を除く): 164680515

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6311, 6399, 10665, 18933, 31555, 31995, 56799, 94665, 170397, 283995, 498569, 511191, 851985, 1495707, 2492845, 2555955, 4487121, 7478535, 13461363, 22435605, 40384089, 67306815, 201920445]

約数ペア:

[(1, 201920445), (3, 67306815), (5, 40384089), (9, 22435605), (15, 13461363), (27, 7478535), (45, 4487121), (79, 2555955), (81, 2492845), (135, 1495707), (237, 851985), (395, 511191), (405, 498569), (711, 283995), (1185, 170397), (2133, 94665), (3555, 56799), (6311, 31995), (6399, 31555), (10665, 18933)]