156947147

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 194628096

約数和(自身を除く): 37680949

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 2303, 2963, 7567, 20741, 52969, 68149, 139261, 145187, 477043, 974827, 3203003, 3339301, 6823789, 22421021, 156947147]

約数ペア:

[(1, 156947147), (7, 22421021), (23, 6823789), (47, 3339301), (49, 3203003), (161, 974827), (329, 477043), (1081, 145187), (1127, 139261), (2303, 68149), (2963, 52969), (7567, 20741)]