199904529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1151}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 307445760

約数和(自身を除く): 107541231

約数列:

[1, 3, 11, 19, 33, 57, 209, 277, 627, 831, 1151, 3047, 3453, 5263, 9141, 12661, 15789, 21869, 37983, 57893, 65607, 173679, 240559, 318827, 721677, 956481, 3507097, 6057713, 10521291, 18173139, 66634843, 199904529]

約数ペア:

[(1, 199904529), (3, 66634843), (11, 18173139), (19, 10521291), (33, 6057713), (57, 3507097), (209, 956481), (277, 721677), (627, 318827), (831, 240559), (1151, 173679), (3047, 65607), (3453, 57893), (5263, 37983), (9141, 21869), (12661, 15789)]