12557895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 23116800

約数和(自身を除く): 10558905

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 601, 995, 1393, 1803, 2985, 3005, 4179, 4207, 6965, 9015, 12621, 20895, 21035, 63105, 119599, 358797, 597995, 837193, 1793985, 2511579, 4185965, 12557895]

約数ペア:

[(1, 12557895), (3, 4185965), (5, 2511579), (7, 1793985), (15, 837193), (21, 597995), (35, 358797), (105, 119599), (199, 63105), (597, 21035), (601, 20895), (995, 12621), (1393, 9015), (1803, 6965), (2985, 4207), (3005, 4179)]