165788889

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 266895360

約数和(自身を除く): 101106471

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1151, 2527, 3453, 6859, 7581, 8057, 20577, 21869, 24171, 48013, 65607, 144039, 153083, 415511, 459249, 1246533, 2908577, 7894709, 8725731, 23684127, 55262963, 165788889]

約数ペア:

[(1, 165788889), (3, 55262963), (7, 23684127), (19, 8725731), (21, 7894709), (57, 2908577), (133, 1246533), (361, 459249), (399, 415511), (1083, 153083), (1151, 144039), (2527, 65607), (3453, 48013), (6859, 24171), (7581, 21869), (8057, 20577)]