28198023

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 45465600

約数和(自身を除く): 17267577

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 739, 1659, 1817, 2217, 5173, 5451, 12719, 15519, 16997, 38157, 50991, 58381, 118979, 175143, 356937, 408667, 1226001, 1342763, 4028289, 9399341, 28198023]

約数ペア:

[(1, 28198023), (3, 9399341), (7, 4028289), (21, 1342763), (23, 1226001), (69, 408667), (79, 356937), (161, 175143), (237, 118979), (483, 58381), (553, 50991), (739, 38157), (1659, 16997), (1817, 15519), (2217, 12719), (5173, 5451)]