1356565

素因数分解:

$5^1\times 7^4\times {\mathrm{113}}^1$

素因数の和:146

約数の個数: 20

約数和(自身を含む): 1915884

約数和(自身を除く): 559319

約数列:

[1, 5, 7, 35, 49, 113, 245, 343, 565, 791, 1715, 2401, 3955, 5537, 12005, 27685, 38759, 193795, 271313, 1356565]

約数ペア:

[(1, 1356565), (5, 271313), (7, 193795), (35, 38759), (49, 27685), (113, 12005), (245, 5537), (343, 3955), (565, 2401), (791, 1715)]