421267775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{13513}}^1$

素因数の和:13595

約数の個数: 24

約数和(自身を含む): 552992880

約数和(自身を除く): 131725105

約数列:

[1, 5, 25, 29, 43, 145, 215, 725, 1075, 1247, 6235, 13513, 31175, 67565, 337825, 391877, 581059, 1959385, 2905295, 9796925, 14526475, 16850711, 84253555, 421267775]

約数ペア:

[(1, 421267775), (5, 84253555), (25, 16850711), (29, 14526475), (43, 9796925), (145, 2905295), (215, 1959385), (725, 581059), (1075, 391877), (1247, 337825), (6235, 67565), (13513, 31175)]