100805715

素因数分解:

$3^4\times 5^1\times {\mathrm{248903}}^1$

素因数の和:248920

約数の個数: 20

約数和(自身を含む): 180704304

約数和(自身を除く): 79898589

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 248903, 746709, 1244515, 2240127, 3733545, 6720381, 11200635, 20161143, 33601905, 100805715]

約数ペア:

[(1, 100805715), (3, 33601905), (5, 20161143), (9, 11200635), (15, 6720381), (27, 3733545), (45, 2240127), (81, 1244515), (135, 746709), (405, 248903)]