12221955

素因数分解:

$3^3\times 5^1\times {\mathrm{90533}}^1$

素因数の和:90547

約数の個数: 16

約数和(自身を含む): 21728160

約数和(自身を除く): 9506205

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 90533, 271599, 452665, 814797, 1357995, 2444391, 4073985, 12221955]

約数ペア:

[(1, 12221955), (3, 4073985), (5, 2444391), (9, 1357995), (15, 814797), (27, 452665), (45, 271599), (135, 90533)]