13243905

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 24228072

約数和(自身を除く): 10984167

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 617, 795, 1431, 1851, 2385, 3085, 4293, 5553, 7155, 9255, 16659, 21465, 27765, 32701, 49977, 83295, 98103, 163505, 249885, 294309, 490515, 882927, 1471545, 2648781, 4414635, 13243905]

約数ペア:

[(1, 13243905), (3, 4414635), (5, 2648781), (9, 1471545), (15, 882927), (27, 490515), (45, 294309), (53, 249885), (81, 163505), (135, 98103), (159, 83295), (265, 49977), (405, 32701), (477, 27765), (617, 21465), (795, 16659), (1431, 9255), (1851, 7155), (2385, 5553), (3085, 4293)]