203710857

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 316514304

約数和(自身を除く): 112803447

約数列:

[1, 3, 7, 21, 71, 213, 317, 431, 497, 951, 1293, 1491, 2219, 3017, 6657, 9051, 22507, 30601, 67521, 91803, 136627, 157549, 214207, 409881, 472647, 642621, 956389, 2869167, 9700517, 29101551, 67903619, 203710857]

約数ペア:

[(1, 203710857), (3, 67903619), (7, 29101551), (21, 9700517), (71, 2869167), (213, 956389), (317, 642621), (431, 472647), (497, 409881), (951, 214207), (1293, 157549), (1491, 136627), (2219, 91803), (3017, 67521), (6657, 30601), (9051, 22507)]