289275567

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{3851}}^1$

素因数の和:3948

約数の個数: 32

約数和(自身を含む): 456076800

約数和(自身を除く): 166801233

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 511, 1029, 1533, 3577, 3851, 10731, 11553, 25039, 26957, 75117, 80871, 188699, 281123, 566097, 843369, 1320893, 1967861, 3962679, 5903583, 13775027, 41325081, 96425189, 289275567]

約数ペア:

[(1, 289275567), (3, 96425189), (7, 41325081), (21, 13775027), (49, 5903583), (73, 3962679), (147, 1967861), (219, 1320893), (343, 843369), (511, 566097), (1029, 281123), (1533, 188699), (3577, 80871), (3851, 75117), (10731, 26957), (11553, 25039)]