71378937

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9521}}^1$

素因数の和:9558

約数の個数: 36

約数和(自身を含む): 127004436

約数和(自身を除く): 55625499

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 9521, 28563, 66647, 85689, 161857, 199941, 466529, 485571, 599823, 1132999, 1399587, 1456713, 3398997, 4198761, 7930993, 10196991, 23792979, 71378937]

約数ペア:

[(1, 71378937), (3, 23792979), (7, 10196991), (9, 7930993), (17, 4198761), (21, 3398997), (49, 1456713), (51, 1399587), (63, 1132999), (119, 599823), (147, 485571), (153, 466529), (357, 199941), (441, 161857), (833, 85689), (1071, 66647), (2499, 28563), (7497, 9521)]