1604529

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 28

約数和(自身を含む): 2518272

約数和(自身を除く): 913743

約数列:

[1, 3, 9, 27, 31, 71, 81, 93, 213, 243, 279, 639, 729, 837, 1917, 2201, 2511, 5751, 6603, 7533, 17253, 19809, 22599, 51759, 59427, 178281, 534843, 1604529]

約数ペア:

[(1, 1604529), (3, 534843), (9, 178281), (27, 59427), (31, 51759), (71, 22599), (81, 19809), (93, 17253), (213, 7533), (243, 6603), (279, 5751), (639, 2511), (729, 2201), (837, 1917)]