71978325

素因数分解:

$3^1\times 5^2\times {\mathrm{557}}^1\times {\mathrm{1723}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 119287008

約数和(自身を除く): 47308683

約数列:

[1, 3, 5, 15, 25, 75, 557, 1671, 1723, 2785, 5169, 8355, 8615, 13925, 25845, 41775, 43075, 129225, 959711, 2879133, 4798555, 14395665, 23992775, 71978325]

約数ペア:

[(1, 71978325), (3, 23992775), (5, 14395665), (15, 4798555), (25, 2879133), (75, 959711), (557, 129225), (1671, 43075), (1723, 41775), (2785, 25845), (5169, 13925), (8355, 8615)]