2021970075

素因数分解:

$3^1\times 5^2\times {\mathrm{2659}}^1\times {\mathrm{10139}}^1$

素因数の和:12811

約数の個数: 24

約数和(自身を含む): 3344577600

約数和(自身を除く): 1322607525

約数列:

[1, 3, 5, 15, 25, 75, 2659, 7977, 10139, 13295, 30417, 39885, 50695, 66475, 152085, 199425, 253475, 760425, 26959601, 80878803, 134798005, 404394015, 673990025, 2021970075]

約数ペア:

[(1, 2021970075), (3, 673990025), (5, 404394015), (15, 134798005), (25, 80878803), (75, 26959601), (2659, 760425), (7977, 253475), (10139, 199425), (13295, 152085), (30417, 66475), (39885, 50695)]