213865993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{1747}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 241643520

約数和(自身を除く): 27777527

約数列:

[1, 11, 31, 341, 359, 1747, 3949, 11129, 19217, 54157, 122419, 595727, 627173, 6898903, 19442363, 213865993]

約数ペア:

[(1, 213865993), (11, 19442363), (31, 6898903), (341, 627173), (359, 595727), (1747, 122419), (3949, 54157), (11129, 19217)]