64904247

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 103062960

約数和(自身を除く): 38158713

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 181, 233, 513, 543, 699, 1539, 1629, 2097, 3439, 4427, 4887, 6291, 10317, 13281, 14661, 18873, 30951, 39843, 42173, 92853, 119529, 126519, 278559, 358587, 379557, 801287, 1138671, 2403861, 3416013, 7211583, 21634749, 64904247]

約数ペア:

[(1, 64904247), (3, 21634749), (9, 7211583), (19, 3416013), (27, 2403861), (57, 1138671), (81, 801287), (171, 379557), (181, 358587), (233, 278559), (513, 126519), (543, 119529), (699, 92853), (1539, 42173), (1629, 39843), (2097, 30951), (3439, 18873), (4427, 14661), (4887, 13281), (6291, 10317)]