2421243

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 3924336

約数和(自身を除く): 1503093

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 661, 1221, 1983, 3663, 5949, 7271, 21813, 24457, 65439, 73371, 220113, 269027, 807081, 2421243]

約数ペア:

[(1, 2421243), (3, 807081), (9, 269027), (11, 220113), (33, 73371), (37, 65439), (99, 24457), (111, 21813), (333, 7271), (407, 5949), (661, 3663), (1221, 1983)]