3947859

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 6481728

約数和(自身を除く): 2533869

約数列:

[1, 3, 9, 17, 27, 47, 51, 61, 81, 141, 153, 183, 423, 459, 549, 799, 1037, 1269, 1377, 1647, 2397, 2867, 3111, 3807, 4941, 7191, 8601, 9333, 21573, 25803, 27999, 48739, 64719, 77409, 83997, 146217, 232227, 438651, 1315953, 3947859]

約数ペア:

[(1, 3947859), (3, 1315953), (9, 438651), (17, 232227), (27, 146217), (47, 83997), (51, 77409), (61, 64719), (81, 48739), (141, 27999), (153, 25803), (183, 21573), (423, 9333), (459, 8601), (549, 7191), (799, 4941), (1037, 3807), (1269, 3111), (1377, 2867), (1647, 2397)]