1321665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 2301696

約数和(自身を除く): 980031

約数列:

[1, 3, 5, 15, 17, 51, 71, 73, 85, 213, 219, 255, 355, 365, 1065, 1095, 1207, 1241, 3621, 3723, 5183, 6035, 6205, 15549, 18105, 18615, 25915, 77745, 88111, 264333, 440555, 1321665]

約数ペア:

[(1, 1321665), (3, 440555), (5, 264333), (15, 88111), (17, 77745), (51, 25915), (71, 18615), (73, 18105), (85, 15549), (213, 6205), (219, 6035), (255, 5183), (355, 3723), (365, 3621), (1065, 1241), (1095, 1207)]