64704471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 96983040

約数和(自身を除く): 32278569

約数列:

[1, 3, 13, 31, 39, 93, 109, 327, 403, 491, 1209, 1417, 1473, 3379, 4251, 6383, 10137, 15221, 19149, 43927, 45663, 53519, 131781, 160557, 197873, 593619, 695747, 1659089, 2087241, 4977267, 21568157, 64704471]

約数ペア:

[(1, 64704471), (3, 21568157), (13, 4977267), (31, 2087241), (39, 1659089), (93, 695747), (109, 593619), (327, 197873), (403, 160557), (491, 131781), (1209, 53519), (1417, 45663), (1473, 43927), (3379, 19149), (4251, 15221), (6383, 10137)]