402783

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 16

約数和(自身を含む): 571392

約数和(自身を除く): 168609

約数列:

[1, 3, 31, 61, 71, 93, 183, 213, 1891, 2201, 4331, 5673, 6603, 12993, 134261, 402783]

約数ペア:

[(1, 402783), (3, 134261), (31, 12993), (61, 6603), (71, 5673), (93, 4331), (183, 2201), (213, 1891)]