253973619

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{1747}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 380399760

約数和(自身を除く): 126426141

約数列:

[1, 3, 9, 29, 87, 261, 557, 1671, 1747, 5013, 5241, 15723, 16153, 48459, 50663, 145377, 151989, 455967, 973079, 2919237, 8757711, 28219291, 84657873, 253973619]

約数ペア:

[(1, 253973619), (3, 84657873), (9, 28219291), (29, 8757711), (87, 2919237), (261, 973079), (557, 455967), (1671, 151989), (1747, 145377), (5013, 50663), (5241, 48459), (15723, 16153)]