65720811

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 97090560

約数和(自身を除く): 31369749

約数列:

[1, 3, 13, 39, 79, 83, 237, 249, 257, 771, 1027, 1079, 3081, 3237, 3341, 6557, 10023, 19671, 20303, 21331, 60909, 63993, 85241, 255723, 263939, 277303, 791817, 831909, 1685149, 5055447, 21906937, 65720811]

約数ペア:

[(1, 65720811), (3, 21906937), (13, 5055447), (39, 1685149), (79, 831909), (83, 791817), (237, 277303), (249, 263939), (257, 255723), (771, 85241), (1027, 63993), (1079, 60909), (3081, 21331), (3237, 20303), (3341, 19671), (6557, 10023)]