61609815

素因数分解:

$3^4\times 5^1\times {\mathrm{152123}}^1$

素因数の和:152140

約数の個数: 20

約数和(自身を含む): 110442024

約数和(自身を除く): 48832209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 152123, 456369, 760615, 1369107, 2281845, 4107321, 6845535, 12321963, 20536605, 61609815]

約数ペア:

[(1, 61609815), (3, 20536605), (5, 12321963), (9, 6845535), (15, 4107321), (27, 2281845), (45, 1369107), (81, 760615), (135, 456369), (405, 152123)]