251386461

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{1907}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 369480384

約数和(自身を除く): 118093923

約数列:

[1, 3, 9, 97, 151, 291, 453, 873, 1359, 1907, 5721, 14647, 17163, 43941, 131823, 184979, 287957, 554937, 863871, 1664811, 2591613, 27931829, 83795487, 251386461]

約数ペア:

[(1, 251386461), (3, 83795487), (9, 27931829), (97, 2591613), (151, 1664811), (291, 863871), (453, 554937), (873, 287957), (1359, 184979), (1907, 131823), (5721, 43941), (14647, 17163)]