645980481

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{825007}}^1$

素因数の和:825045

約数の個数: 16

約数和(自身を含む): 990009600

約数和(自身を除く): 344029119

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 825007, 2475021, 7425063, 22275189, 23925203, 71775609, 215326827, 645980481]

約数ペア:

[(1, 645980481), (3, 215326827), (9, 71775609), (27, 23925203), (29, 22275189), (87, 7425063), (261, 2475021), (783, 825007)]