16604991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 25967760

約数和(自身を除く): 9362769

約数列:

[1, 3, 9, 13, 39, 117, 347, 409, 1041, 1227, 3123, 3681, 4511, 5317, 13533, 15951, 40599, 47853, 141923, 425769, 1277307, 1844999, 5534997, 16604991]

約数ペア:

[(1, 16604991), (3, 5534997), (9, 1844999), (13, 1277307), (39, 425769), (117, 141923), (347, 47853), (409, 40599), (1041, 15951), (1227, 13533), (3123, 5317), (3681, 4511)]