74071815

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 121222656

約数和(自身を除く): 47150841

約数列:

[1, 3, 5, 15, 71, 157, 213, 355, 443, 471, 785, 1065, 1329, 2215, 2355, 6645, 11147, 31453, 33441, 55735, 69551, 94359, 157265, 167205, 208653, 347755, 471795, 1043265, 4938121, 14814363, 24690605, 74071815]

約数ペア:

[(1, 74071815), (3, 24690605), (5, 14814363), (15, 4938121), (71, 1043265), (157, 471795), (213, 347755), (355, 208653), (443, 167205), (471, 157265), (785, 94359), (1065, 69551), (1329, 55735), (2215, 33441), (2355, 31453), (6645, 11147)]