128811075

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{4099}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 213528000

約数和(自身を除く): 84716925

約数列:

[1, 3, 5, 15, 25, 75, 419, 1257, 2095, 4099, 6285, 10475, 12297, 20495, 31425, 61485, 102475, 307425, 1717481, 5152443, 8587405, 25762215, 42937025, 128811075]

約数ペア:

[(1, 128811075), (3, 42937025), (5, 25762215), (15, 8587405), (25, 5152443), (75, 1717481), (419, 307425), (1257, 102475), (2095, 61485), (4099, 31425), (6285, 20495), (10475, 12297)]