1600155

素因数分解:

$3^6\times 5^1\times {\mathrm{439}}^1$

素因数の和:462

約数の個数: 28

約数和(自身を含む): 2885520

約数和(自身を除く): 1285365

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 439, 729, 1215, 1317, 2195, 3645, 3951, 6585, 11853, 19755, 35559, 59265, 106677, 177795, 320031, 533385, 1600155]

約数ペア:

[(1, 1600155), (3, 533385), (5, 320031), (9, 177795), (15, 106677), (27, 59265), (45, 35559), (81, 19755), (135, 11853), (243, 6585), (405, 3951), (439, 3645), (729, 2195), (1215, 1317)]