221305449

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1\times {\mathrm{1069}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 297956480

約数和(自身を除く): 76651031

約数列:

[1, 3, 151, 453, 457, 1069, 1371, 3207, 69007, 161419, 207021, 484257, 488533, 1465599, 73768483, 221305449]

約数ペア:

[(1, 221305449), (3, 73768483), (151, 1465599), (453, 488533), (457, 484257), (1069, 207021), (1371, 161419), (3207, 69007)]