121223985

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 199221120

約数和(自身を除く): 77997135

約数列:

[1, 3, 5, 15, 53, 139, 159, 265, 417, 695, 795, 1097, 2085, 3291, 5485, 7367, 16455, 22101, 36835, 58141, 110505, 152483, 174423, 290705, 457449, 762415, 872115, 2287245, 8081599, 24244797, 40407995, 121223985]

約数ペア:

[(1, 121223985), (3, 40407995), (5, 24244797), (15, 8081599), (53, 2287245), (139, 872115), (159, 762415), (265, 457449), (417, 290705), (695, 174423), (795, 152483), (1097, 110505), (2085, 58141), (3291, 36835), (5485, 22101), (7367, 16455)]