128742879

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{607}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 184005120

約数和(自身を除く): 55262241

約数列:

[1, 3, 19, 57, 61, 183, 607, 1159, 1821, 3477, 3721, 11163, 11533, 34599, 37027, 70699, 111081, 212097, 703513, 2110539, 2258647, 6775941, 42914293, 128742879]

約数ペア:

[(1, 128742879), (3, 42914293), (19, 6775941), (57, 2258647), (61, 2110539), (183, 703513), (607, 212097), (1159, 111081), (1821, 70699), (3477, 37027), (3721, 34599), (11163, 11533)]