157813515

素因数分解:

$3^4\times 5^1\times {\mathrm{389663}}^1$

素因数の和:389680

約数の個数: 20

約数和(自身を含む): 282896064

約数和(自身を除く): 125082549

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 389663, 1168989, 1948315, 3506967, 5844945, 10520901, 17534835, 31562703, 52604505, 157813515]

約数ペア:

[(1, 157813515), (3, 52604505), (5, 31562703), (9, 17534835), (15, 10520901), (27, 5844945), (45, 3506967), (81, 1948315), (135, 1168989), (405, 389663)]