3955329

素因数分解:

$3^2\times 7^2\times {\mathrm{8969}}^1$

素因数の和:8989

約数の個数: 18

約数和(自身を含む): 6646770

約数和(自身を除く): 2691441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 8969, 26907, 62783, 80721, 188349, 439481, 565047, 1318443, 3955329]

約数ペア:

[(1, 3955329), (3, 1318443), (7, 565047), (9, 439481), (21, 188349), (49, 80721), (63, 62783), (147, 26907), (441, 8969)]