15771915

素因数分解:

$3^6\times 5^1\times {\mathrm{4327}}^1$

素因数の和:4350

約数の個数: 28

約数和(自身を含む): 28383024

約数和(自身を除く): 12611109

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 4327, 12981, 21635, 38943, 64905, 116829, 194715, 350487, 584145, 1051461, 1752435, 3154383, 5257305, 15771915]

約数ペア:

[(1, 15771915), (3, 5257305), (5, 3154383), (9, 1752435), (15, 1051461), (27, 584145), (45, 350487), (81, 194715), (135, 116829), (243, 64905), (405, 38943), (729, 21635), (1215, 12981), (3645, 4327)]