221276715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1341071}}^1$

素因数の和:1341090

約数の個数: 16

約数和(自身を含む): 386228736

約数和(自身を除く): 164952021

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1341071, 4023213, 6705355, 14751781, 20116065, 44255343, 73758905, 221276715]

約数ペア:

[(1, 221276715), (3, 73758905), (5, 44255343), (11, 20116065), (15, 14751781), (33, 6705355), (55, 4023213), (165, 1341071)]