20170104225

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{47947}}^1$

素因数の和:48110

約数の個数: 48

約数和(自身を含む): 34246379520

約数和(自身を除く): 14076275295

約数列:

[1, 3, 5, 15, 25, 71, 75, 79, 213, 237, 355, 395, 1065, 1185, 1775, 1975, 5325, 5609, 5925, 16827, 28045, 47947, 84135, 140225, 143841, 239735, 420675, 719205, 1198675, 3404237, 3596025, 3787813, 10212711, 11363439, 17021185, 18939065, 51063555, 56817195, 85105925, 94695325, 255317775, 268934723, 284085975, 806804169, 1344673615, 4034020845, 6723368075, 20170104225]

約数ペア:

[(1, 20170104225), (3, 6723368075), (5, 4034020845), (15, 1344673615), (25, 806804169), (71, 284085975), (75, 268934723), (79, 255317775), (213, 94695325), (237, 85105925), (355, 56817195), (395, 51063555), (1065, 18939065), (1185, 17021185), (1775, 11363439), (1975, 10212711), (5325, 3787813), (5609, 3596025), (5925, 3404237), (16827, 1198675), (28045, 719205), (47947, 420675), (84135, 239735), (140225, 143841)]