2021105925

素因数分解:

$3^4\times 5^2\times {\mathrm{998077}}^1$

素因数の和:998099

約数の個数: 30

約数和(自身を含む): 3743790578

約数和(自身を除く): 1722684653

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 998077, 2994231, 4990385, 8982693, 14971155, 24951925, 26948079, 44913465, 74855775, 80844237, 134740395, 224567325, 404221185, 673701975, 2021105925]

約数ペア:

[(1, 2021105925), (3, 673701975), (5, 404221185), (9, 224567325), (15, 134740395), (25, 80844237), (27, 74855775), (45, 44913465), (75, 26948079), (81, 24951925), (135, 14971155), (225, 8982693), (405, 4990385), (675, 2994231), (2025, 998077)]