165712905

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20123}}^1$

素因数の和:20198

約数の個数: 32

約数和(自身を含む): 299445120

約数和(自身を除く): 133732215

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 20123, 60369, 100615, 181107, 301845, 543321, 905535, 1227503, 2716605, 3682509, 6137515, 11047527, 18412545, 33142581, 55237635, 165712905]

約数ペア:

[(1, 165712905), (3, 55237635), (5, 33142581), (9, 18412545), (15, 11047527), (27, 6137515), (45, 3682509), (61, 2716605), (135, 1227503), (183, 905535), (305, 543321), (549, 301845), (915, 181107), (1647, 100615), (2745, 60369), (8235, 20123)]