201871521

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{10009}}^1$

素因数の和:10107

約数の個数: 24

約数和(自身を含む): 306065760

約数和(自身を除く): 104194239

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 747, 2241, 6723, 10009, 20169, 30027, 90081, 270243, 810729, 830747, 2432187, 2492241, 7476723, 22430169, 67290507, 201871521]

約数ペア:

[(1, 201871521), (3, 67290507), (9, 22430169), (27, 7476723), (81, 2492241), (83, 2432187), (243, 830747), (249, 810729), (747, 270243), (2241, 90081), (6723, 30027), (10009, 20169)]