12170979

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 19514880

約数和(自身を除く): 7343901

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 139, 141, 207, 417, 423, 621, 1081, 1251, 1269, 1863, 3197, 3243, 3753, 3807, 6533, 9591, 9729, 11259, 19599, 28773, 29187, 58797, 86319, 87561, 150259, 176391, 258957, 450777, 529173, 1352331, 4056993, 12170979]

約数ペア:

[(1, 12170979), (3, 4056993), (9, 1352331), (23, 529173), (27, 450777), (47, 258957), (69, 176391), (81, 150259), (139, 87561), (141, 86319), (207, 58797), (417, 29187), (423, 28773), (621, 19599), (1081, 11259), (1251, 9729), (1269, 9591), (1863, 6533), (3197, 3807), (3243, 3753)]