247014729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31511}}^1$

素因数の和:31597

約数の個数: 24

約数和(自身を含む): 389992512

約数和(自身を除く): 142977783

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839, 31511, 94533, 283599, 409643, 1228929, 2111237, 3686787, 6333711, 19001133, 27446081, 82338243, 247014729]

約数ペア:

[(1, 247014729), (3, 82338243), (9, 27446081), (13, 19001133), (39, 6333711), (67, 3686787), (117, 2111237), (201, 1228929), (603, 409643), (871, 283599), (2613, 94533), (7839, 31511)]