39893409

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 58968000

約数和(自身を除く): 19074591

約数列:

[1, 3, 9, 71, 149, 213, 419, 447, 639, 1257, 1341, 3771, 10579, 29749, 31737, 62431, 89247, 95211, 187293, 267741, 561879, 4432601, 13297803, 39893409]

約数ペア:

[(1, 39893409), (3, 13297803), (9, 4432601), (71, 561879), (149, 267741), (213, 187293), (419, 95211), (447, 89247), (639, 62431), (1257, 31737), (1341, 29749), (3771, 10579)]