16969905

素因数分解:

$3^5\times 5^1\times {\mathrm{13967}}^1$

素因数の和:13987

約数の個数: 24

約数和(自身を含む): 30506112

約数和(自身を除く): 13536207

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 13967, 41901, 69835, 125703, 209505, 377109, 628515, 1131327, 1885545, 3393981, 5656635, 16969905]

約数ペア:

[(1, 16969905), (3, 5656635), (5, 3393981), (9, 1885545), (15, 1131327), (27, 628515), (45, 377109), (81, 209505), (135, 125703), (243, 69835), (405, 41901), (1215, 13967)]