393156945

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{77317}}^1$

素因数の和:77441

約数の個数: 24

約数和(自身を含む): 687511656

約数和(自身を除く): 294354711

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 77317, 231951, 386585, 695853, 1159755, 3479265, 8736821, 26210463, 43684105, 78631389, 131052315, 393156945]

約数ペア:

[(1, 393156945), (3, 131052315), (5, 78631389), (9, 43684105), (15, 26210463), (45, 8736821), (113, 3479265), (339, 1159755), (565, 695853), (1017, 386585), (1695, 231951), (5085, 77317)]