123930681

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 193966080

約数和(自身を除く): 70035399

約数列:

[1, 3, 7, 21, 47, 141, 307, 329, 409, 921, 987, 1227, 2149, 2863, 6447, 8589, 14429, 19223, 43287, 57669, 101003, 125563, 134561, 303009, 376689, 403683, 878941, 2636823, 5901461, 17704383, 41310227, 123930681]

約数ペア:

[(1, 123930681), (3, 41310227), (7, 17704383), (21, 5901461), (47, 2636823), (141, 878941), (307, 403683), (329, 376689), (409, 303009), (921, 134561), (987, 125563), (1227, 101003), (2149, 57669), (2863, 43287), (6447, 19223), (8589, 14429)]