26408805

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 16991643

約数列:

[1, 3, 5, 15, 71, 137, 181, 213, 355, 411, 543, 685, 905, 1065, 2055, 2715, 9727, 12851, 24797, 29181, 38553, 48635, 64255, 74391, 123985, 145905, 192765, 371955, 1760587, 5281761, 8802935, 26408805]

約数ペア:

[(1, 26408805), (3, 8802935), (5, 5281761), (15, 1760587), (71, 371955), (137, 192765), (181, 145905), (213, 123985), (355, 74391), (411, 64255), (543, 48635), (685, 38553), (905, 29181), (1065, 24797), (2055, 12851), (2715, 9727)]