520098159

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 828441600

約数和(自身を除く): 308343441

約数列:

[1, 3, 7, 21, 37, 79, 111, 229, 237, 259, 553, 687, 777, 1369, 1603, 1659, 2923, 4107, 4809, 8473, 8769, 9583, 18091, 20461, 25419, 28749, 54273, 59311, 61383, 108151, 126637, 177933, 313501, 324453, 379911, 669367, 757057, 940503, 2008101, 2194507, 2271171, 4685569, 6583521, 14056707, 24766579, 74299737, 173366053, 520098159]

約数ペア:

[(1, 520098159), (3, 173366053), (7, 74299737), (21, 24766579), (37, 14056707), (79, 6583521), (111, 4685569), (229, 2271171), (237, 2194507), (259, 2008101), (553, 940503), (687, 757057), (777, 669367), (1369, 379911), (1603, 324453), (1659, 313501), (2923, 177933), (4107, 126637), (4809, 108151), (8473, 61383), (8769, 59311), (9583, 54273), (18091, 28749), (20461, 25419)]