20121915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121951}}^1$

素因数の和:121970

約数の個数: 16

約数和(自身を含む): 35122176

約数和(自身を除く): 15000261

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121951, 365853, 609755, 1341461, 1829265, 4024383, 6707305, 20121915]

約数ペア:

[(1, 20121915), (3, 6707305), (5, 4024383), (11, 1829265), (15, 1341461), (33, 609755), (55, 365853), (165, 121951)]