40722591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3469}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 68400640

約数和(自身を除く): 27678049

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3469, 3913, 10407, 11739, 24283, 45097, 72849, 135291, 149167, 315679, 447501, 947037, 1044169, 1939171, 3132507, 5817513, 13574197, 40722591]

約数ペア:

[(1, 40722591), (3, 13574197), (7, 5817513), (13, 3132507), (21, 1939171), (39, 1044169), (43, 947037), (91, 447501), (129, 315679), (273, 149167), (301, 135291), (559, 72849), (903, 45097), (1677, 24283), (3469, 11739), (3913, 10407)]