12798405

素因数分解:

$3^4\times 5^1\times {\mathrm{31601}}^1$

素因数の和:31618

約数の個数: 20

約数和(自身を含む): 22943052

約数和(自身を除く): 10144647

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31601, 94803, 158005, 284409, 474015, 853227, 1422045, 2559681, 4266135, 12798405]

約数ペア:

[(1, 12798405), (3, 4266135), (5, 2559681), (9, 1422045), (15, 853227), (27, 474015), (45, 284409), (81, 158005), (135, 94803), (405, 31601)]