193020009

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 330333696

約数和(自身を除く): 137313687

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 97, 111, 197, 259, 273, 291, 481, 591, 679, 777, 1261, 1379, 1443, 2037, 2561, 3367, 3589, 3783, 4137, 7289, 7683, 8827, 10101, 10767, 17927, 19109, 21867, 25123, 26481, 46657, 51023, 53781, 57327, 75369, 94757, 133763, 139971, 153069, 248417, 284271, 326599, 401289, 663299, 707033, 745251, 979797, 1738919, 1989897, 2121099, 4949231, 5216757, 9191429, 14847693, 27574287, 64340003, 193020009]

約数ペア:

[(1, 193020009), (3, 64340003), (7, 27574287), (13, 14847693), (21, 9191429), (37, 5216757), (39, 4949231), (91, 2121099), (97, 1989897), (111, 1738919), (197, 979797), (259, 745251), (273, 707033), (291, 663299), (481, 401289), (591, 326599), (679, 284271), (777, 248417), (1261, 153069), (1379, 139971), (1443, 133763), (2037, 94757), (2561, 75369), (3367, 57327), (3589, 53781), (3783, 51023), (4137, 46657), (7289, 26481), (7683, 25123), (8827, 21867), (10101, 19109), (10767, 17927)]