156978765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205201}}^1$

素因数の和:205229

約数の個数: 24

約数和(自身を含む): 288103608

約数和(自身を除く): 131124843

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 205201, 615603, 1026005, 1846809, 3078015, 3488417, 9234045, 10465251, 17442085, 31395753, 52326255, 156978765]

約数ペア:

[(1, 156978765), (3, 52326255), (5, 31395753), (9, 17442085), (15, 10465251), (17, 9234045), (45, 3488417), (51, 3078015), (85, 1846809), (153, 1026005), (255, 615603), (765, 205201)]