140488731

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31663}}^1$

素因数の和:31715

約数の個数: 24

約数和(自身を含む): 222281280

約数和(自身を除く): 81792549

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 31663, 94989, 284967, 538271, 918227, 1614813, 2754681, 4844439, 8264043, 15609859, 46829577, 140488731]

約数ペア:

[(1, 140488731), (3, 46829577), (9, 15609859), (17, 8264043), (29, 4844439), (51, 2754681), (87, 1614813), (153, 918227), (261, 538271), (493, 284967), (1479, 94989), (4437, 31663)]