155115

素因数分解:

$3^4\times 5^1\times {\mathrm{383}}^1$

素因数の和:400

約数の個数: 20

約数和(自身を含む): 278784

約数和(自身を除く): 123669

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 383, 405, 1149, 1915, 3447, 5745, 10341, 17235, 31023, 51705, 155115]

約数ペア:

[(1, 155115), (3, 51705), (5, 31023), (9, 17235), (15, 10341), (27, 5745), (45, 3447), (81, 1915), (135, 1149), (383, 405)]