309631371

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 478199808

約数和(自身を除く): 168568437

約数列:

[1, 3, 7, 21, 137, 281, 383, 411, 843, 959, 1149, 1967, 2681, 2877, 5901, 8043, 38497, 52471, 107623, 115491, 157413, 269479, 322869, 367297, 753361, 808437, 1101891, 2260083, 14744351, 44233053, 103210457, 309631371]

約数ペア:

[(1, 309631371), (3, 103210457), (7, 44233053), (21, 14744351), (137, 2260083), (281, 1101891), (383, 808437), (411, 753361), (843, 367297), (959, 322869), (1149, 269479), (1967, 157413), (2681, 115491), (2877, 107623), (5901, 52471), (8043, 38497)]