65647761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 95644800

約数和(自身を除く): 29997039

約数列:

[1, 3, 17, 51, 53, 149, 159, 163, 447, 489, 901, 2533, 2703, 2771, 7599, 7897, 8313, 8639, 23691, 24287, 25917, 72861, 134249, 146863, 402747, 412879, 440589, 1238637, 1287211, 3861633, 21882587, 65647761]

約数ペア:

[(1, 65647761), (3, 21882587), (17, 3861633), (51, 1287211), (53, 1238637), (149, 440589), (159, 412879), (163, 402747), (447, 146863), (489, 134249), (901, 72861), (2533, 25917), (2703, 24287), (2771, 23691), (7599, 8639), (7897, 8313)]