1800135

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 3157440

約数和(自身を除く): 1357305

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 367, 545, 981, 1101, 1635, 1835, 3303, 4905, 5505, 16515, 40003, 120009, 200015, 360027, 600045, 1800135]

約数ペア:

[(1, 1800135), (3, 600045), (5, 360027), (9, 200015), (15, 120009), (45, 40003), (109, 16515), (327, 5505), (367, 4905), (545, 3303), (981, 1835), (1101, 1635)]