138111507

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 209664000

約数和(自身を除く): 71552493

約数列:

[1, 3, 9, 27, 59, 177, 181, 479, 531, 543, 1437, 1593, 1629, 4311, 4887, 10679, 12933, 28261, 32037, 84783, 86699, 96111, 254349, 260097, 288333, 763047, 780291, 2340873, 5115241, 15345723, 46037169, 138111507]

約数ペア:

[(1, 138111507), (3, 46037169), (9, 15345723), (27, 5115241), (59, 2340873), (177, 780291), (181, 763047), (479, 288333), (531, 260097), (543, 254349), (1437, 96111), (1593, 86699), (1629, 84783), (4311, 32037), (4887, 28261), (10679, 12933)]