78436281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{743}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 130848768

約数和(自身を除く): 52412487

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 457, 743, 1371, 2229, 3199, 5027, 5201, 8173, 9597, 15081, 15603, 24519, 35189, 57211, 105567, 171633, 339551, 1018653, 2376857, 3735061, 7130571, 11205183, 26145427, 78436281]

約数ペア:

[(1, 78436281), (3, 26145427), (7, 11205183), (11, 7130571), (21, 3735061), (33, 2376857), (77, 1018653), (231, 339551), (457, 171633), (743, 105567), (1371, 57211), (2229, 35189), (3199, 24519), (5027, 15603), (5201, 15081), (8173, 9597)]