79401021

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 123541344

約数和(自身を除く): 44140323

約数列:

[1, 3, 7, 21, 49, 147, 421, 1263, 1283, 2947, 3849, 8841, 8981, 20629, 26943, 61887, 62867, 188601, 540143, 1620429, 3781001, 11343003, 26467007, 79401021]

約数ペア:

[(1, 79401021), (3, 26467007), (7, 11343003), (21, 3781001), (49, 1620429), (147, 540143), (421, 188601), (1263, 62867), (1283, 61887), (2947, 26943), (3849, 20629), (8841, 8981)]