12679989

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 20459520

約数和(自身を除く): 7779531

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 443, 609, 987, 1329, 1363, 3101, 4089, 9303, 9541, 12847, 20821, 28623, 38541, 62463, 89929, 145747, 269787, 437241, 603809, 1811427, 4226663, 12679989]

約数ペア:

[(1, 12679989), (3, 4226663), (7, 1811427), (21, 603809), (29, 437241), (47, 269787), (87, 145747), (141, 89929), (203, 62463), (329, 38541), (443, 28623), (609, 20821), (987, 12847), (1329, 9541), (1363, 9303), (3101, 4089)]