31363920009

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{20143}}^1$

素因数の和:20611

約数の個数: 40

約数和(自身を含む): 47968504320

約数和(自身を除く): 16604584311

約数列:

[1, 3, 9, 27, 47, 81, 141, 409, 423, 1227, 1269, 3681, 3807, 11043, 19223, 20143, 33129, 57669, 60429, 173007, 181287, 519021, 543861, 946721, 1557063, 1631583, 2840163, 8238487, 8520489, 24715461, 25561467, 74146383, 76684401, 222439149, 387208889, 667317447, 1161626667, 3484880001, 10454640003, 31363920009]

約数ペア:

[(1, 31363920009), (3, 10454640003), (9, 3484880001), (27, 1161626667), (47, 667317447), (81, 387208889), (141, 222439149), (409, 76684401), (423, 74146383), (1227, 25561467), (1269, 24715461), (3681, 8520489), (3807, 8238487), (11043, 2840163), (19223, 1631583), (20143, 1557063), (33129, 946721), (57669, 543861), (60429, 519021), (173007, 181287)]