27878190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21611}}^1$

素因数の和:21664

約数の個数: 32

約数和(自身を含む): 68466816

約数和(自身を除く): 40588626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21611, 43222, 64833, 108055, 129666, 216110, 324165, 648330, 929273, 1858546, 2787819, 4646365, 5575638, 9292730, 13939095, 27878190]

約数ペア:

[(1, 27878190), (2, 13939095), (3, 9292730), (5, 5575638), (6, 4646365), (10, 2787819), (15, 1858546), (30, 929273), (43, 648330), (86, 324165), (129, 216110), (215, 129666), (258, 108055), (430, 64833), (645, 43222), (1290, 21611)]