64538019

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26267}}^1$

素因数の和:26296

約数の個数: 32

約数和(自身を含む): 117680640

約数和(自身を除く): 53142621

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 26267, 78801, 183869, 236403, 341471, 551607, 709209, 1024413, 1654821, 2390297, 3073239, 4964463, 7170891, 9219717, 21512673, 64538019]

約数ペア:

[(1, 64538019), (3, 21512673), (7, 9219717), (9, 7170891), (13, 4964463), (21, 3073239), (27, 2390297), (39, 1654821), (63, 1024413), (91, 709209), (117, 551607), (189, 341471), (273, 236403), (351, 183869), (819, 78801), (2457, 26267)]