2804625

素因数分解:

$3^4\times 5^3\times {\mathrm{277}}^1$

素因数の和:304

約数の個数: 40

約数和(自身を含む): 5247528

約数和(自身を除く): 2442903

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 277, 375, 405, 675, 831, 1125, 1385, 2025, 2493, 3375, 4155, 6925, 7479, 10125, 12465, 20775, 22437, 34625, 37395, 62325, 103875, 112185, 186975, 311625, 560925, 934875, 2804625]

約数ペア:

[(1, 2804625), (3, 934875), (5, 560925), (9, 311625), (15, 186975), (25, 112185), (27, 103875), (45, 62325), (75, 37395), (81, 34625), (125, 22437), (135, 20775), (225, 12465), (277, 10125), (375, 7479), (405, 6925), (675, 4155), (831, 3375), (1125, 2493), (1385, 2025)]