17248545

素因数分解:

$3^4\times 5^1\times {\mathrm{42589}}^1$

素因数の和:42606

約数の個数: 20

約数和(自身を含む): 30920340

約数和(自身を除く): 13671795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 42589, 127767, 212945, 383301, 638835, 1149903, 1916505, 3449709, 5749515, 17248545]

約数ペア:

[(1, 17248545), (3, 5749515), (5, 3449709), (9, 1916505), (15, 1149903), (27, 638835), (45, 383301), (81, 212945), (135, 127767), (405, 42589)]