31874409

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1321}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 52795392

約数和(自身を除く): 20920983

約数列:

[1, 3, 7, 9, 21, 63, 383, 1149, 1321, 2681, 3447, 3963, 8043, 9247, 11889, 24129, 27741, 83223, 505943, 1517829, 3541601, 4553487, 10624803, 31874409]

約数ペア:

[(1, 31874409), (3, 10624803), (7, 4553487), (9, 3541601), (21, 1517829), (63, 505943), (383, 83223), (1149, 27741), (1321, 24129), (2681, 11889), (3447, 9247), (3963, 8043)]