71380665

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^2$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 126793836

約数和(自身を除く): 55413171

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 173, 265, 477, 519, 795, 865, 1557, 2385, 2595, 7785, 9169, 27507, 29929, 45845, 82521, 89787, 137535, 149645, 269361, 412605, 448935, 1346805, 1586237, 4758711, 7931185, 14276133, 23793555, 71380665]

約数ペア:

[(1, 71380665), (3, 23793555), (5, 14276133), (9, 7931185), (15, 4758711), (45, 1586237), (53, 1346805), (159, 448935), (173, 412605), (265, 269361), (477, 149645), (519, 137535), (795, 89787), (865, 82521), (1557, 45845), (2385, 29929), (2595, 27507), (7785, 9169)]