2017729515

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{80021}}^1$

素因数の和:80111

約数の個数: 24

約数和(自身を含む): 3309069744

約数和(自身を除く): 1291340229

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1681, 5043, 8405, 25215, 80021, 240063, 400105, 1200315, 3280861, 9842583, 16404305, 49212915, 134515301, 403545903, 672576505, 2017729515]

約数ペア:

[(1, 2017729515), (3, 672576505), (5, 403545903), (15, 134515301), (41, 49212915), (123, 16404305), (205, 9842583), (615, 3280861), (1681, 1200315), (5043, 400105), (8405, 240063), (25215, 80021)]