401858487

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 607239360

約数和(自身を除く): 205380873

約数列:

[1, 3, 9, 31, 93, 97, 279, 291, 479, 873, 961, 1437, 2883, 3007, 4311, 8649, 9021, 14849, 27063, 44547, 46463, 93217, 133641, 139389, 279651, 418167, 460319, 838953, 1380957, 1440353, 4142871, 4321059, 12963177, 44650943, 133952829, 401858487]

約数ペア:

[(1, 401858487), (3, 133952829), (9, 44650943), (31, 12963177), (93, 4321059), (97, 4142871), (279, 1440353), (291, 1380957), (479, 838953), (873, 460319), (961, 418167), (1437, 279651), (2883, 139389), (3007, 133641), (4311, 93217), (8649, 46463), (9021, 44547), (14849, 27063)]