1864215

素因数分解:

$3^4\times 5^1\times {\mathrm{4603}}^1$

素因数の和:4620

約数の個数: 20

約数和(自身を含む): 3342504

約数和(自身を除く): 1478289

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4603, 13809, 23015, 41427, 69045, 124281, 207135, 372843, 621405, 1864215]

約数ペア:

[(1, 1864215), (3, 621405), (5, 372843), (9, 207135), (15, 124281), (27, 69045), (45, 41427), (81, 23015), (135, 13809), (405, 4603)]