213654945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9377}}^1$

素因数の和:9430

約数の個数: 48

約数和(自身を含む): 410531328

約数和(自身を除く): 196876383

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 1085, 1519, 3255, 4557, 7595, 9377, 22785, 28131, 46885, 65639, 140655, 196917, 290687, 328195, 459473, 872061, 984585, 1378419, 1453435, 2034809, 2297365, 4360305, 6104427, 6892095, 10174045, 14243663, 30522135, 42730989, 71218315, 213654945]

約数ペア:

[(1, 213654945), (3, 71218315), (5, 42730989), (7, 30522135), (15, 14243663), (21, 10174045), (31, 6892095), (35, 6104427), (49, 4360305), (93, 2297365), (105, 2034809), (147, 1453435), (155, 1378419), (217, 984585), (245, 872061), (465, 459473), (651, 328195), (735, 290687), (1085, 196917), (1519, 140655), (3255, 65639), (4557, 46885), (7595, 28131), (9377, 22785)]