3950289

素因数分解:

$3^4\times 7^1\times {\mathrm{6967}}^1$

素因数の和:6986

約数の個数: 20

約数和(自身を含む): 6745024

約数和(自身を除く): 2794735

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6967, 20901, 48769, 62703, 146307, 188109, 438921, 564327, 1316763, 3950289]

約数ペア:

[(1, 3950289), (3, 1316763), (7, 564327), (9, 438921), (21, 188109), (27, 146307), (63, 62703), (81, 48769), (189, 20901), (567, 6967)]