64690839

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{6637}}^1$

素因数の和:6684

約数の個数: 24

約数和(自身を含む): 101163120

約数和(自身を除く): 36472281

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 3249, 6637, 9747, 19911, 59733, 126103, 179199, 378309, 1134927, 2395957, 3404781, 7187871, 21563613, 64690839]

約数ペア:

[(1, 64690839), (3, 21563613), (9, 7187871), (19, 3404781), (27, 2395957), (57, 1134927), (171, 378309), (361, 179199), (513, 126103), (1083, 59733), (3249, 19911), (6637, 9747)]