31221807

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 44476416

約数和(自身を除く): 13254609

約数列:

[1, 3, 19, 57, 127, 227, 361, 381, 681, 1083, 2413, 4313, 7239, 12939, 28829, 45847, 81947, 86487, 137541, 245841, 547751, 1643253, 10407269, 31221807]

約数ペア:

[(1, 31221807), (3, 10407269), (19, 1643253), (57, 547751), (127, 245841), (227, 137541), (361, 86487), (381, 81947), (681, 45847), (1083, 28829), (2413, 12939), (4313, 7239)]