9971487

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 15030288

約数和(自身を除く): 5058801

約数列:

[1, 3, 9, 41, 61, 123, 183, 369, 443, 549, 1329, 2501, 3987, 7503, 18163, 22509, 27023, 54489, 81069, 163467, 243207, 1107943, 3323829, 9971487]

約数ペア:

[(1, 9971487), (3, 3323829), (9, 1107943), (41, 243207), (61, 163467), (123, 81069), (183, 54489), (369, 27023), (443, 22509), (549, 18163), (1329, 7503), (2501, 3987)]