865984041

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1279}}^1$

素因数の和:1947

約数の個数: 40

約数和(自身を含む): 1396398080

約数和(自身を除く): 530414039

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 643, 1053, 1279, 1929, 3837, 5787, 8359, 11511, 16627, 17361, 25077, 34533, 49881, 52083, 75231, 103599, 149643, 225693, 448929, 677079, 822397, 1346787, 2467191, 7401573, 10691161, 22204719, 32073483, 66614157, 96220449, 288661347, 865984041]

約数ペア:

[(1, 865984041), (3, 288661347), (9, 96220449), (13, 66614157), (27, 32073483), (39, 22204719), (81, 10691161), (117, 7401573), (351, 2467191), (643, 1346787), (1053, 822397), (1279, 677079), (1929, 448929), (3837, 225693), (5787, 149643), (8359, 103599), (11511, 75231), (16627, 52083), (17361, 49881), (25077, 34533)]