147977949

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 231505920

約数和(自身を除く): 83527971

約数列:

[1, 3, 7, 21, 47, 141, 313, 329, 479, 939, 987, 1437, 2191, 3353, 6573, 10059, 14711, 22513, 44133, 67539, 102977, 149927, 157591, 308931, 449781, 472773, 1049489, 3148467, 7046569, 21139707, 49325983, 147977949]

約数ペア:

[(1, 147977949), (3, 49325983), (7, 21139707), (21, 7046569), (47, 3148467), (141, 1049489), (313, 472773), (329, 449781), (479, 308931), (939, 157591), (987, 149927), (1437, 102977), (2191, 67539), (3353, 44133), (6573, 22513), (10059, 14711)]