9880409

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 13099968

約数和(自身を除く): 3219559

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 797, 1127, 1771, 5579, 8767, 12397, 18331, 39053, 61369, 128317, 201641, 429583, 898219, 1411487, 9880409]

約数ペア:

[(1, 9880409), (7, 1411487), (11, 898219), (23, 429583), (49, 201641), (77, 128317), (161, 61369), (253, 39053), (539, 18331), (797, 12397), (1127, 8767), (1771, 5579)]