20167215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31267}}^1$

素因数の和:31318

約数の個数: 16

約数和(自身を含む): 33019008

約数和(自身を除く): 12851793

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31267, 93801, 156335, 469005, 1344481, 4033443, 6722405, 20167215]

約数ペア:

[(1, 20167215), (3, 6722405), (5, 4033443), (15, 1344481), (43, 469005), (129, 156335), (215, 93801), (645, 31267)]