25931451

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 44489984

約数和(自身を除く): 18558533

約数列:

[1, 3, 7, 13, 21, 39, 43, 47, 91, 129, 141, 273, 301, 329, 559, 611, 903, 987, 1677, 1833, 2021, 2209, 3913, 4277, 6063, 6627, 11739, 12831, 14147, 15463, 26273, 28717, 42441, 46389, 78819, 86151, 94987, 183911, 201019, 284961, 551733, 603057, 664909, 1234831, 1994727, 3704493, 8643817, 25931451]

約数ペア:

[(1, 25931451), (3, 8643817), (7, 3704493), (13, 1994727), (21, 1234831), (39, 664909), (43, 603057), (47, 551733), (91, 284961), (129, 201019), (141, 183911), (273, 94987), (301, 86151), (329, 78819), (559, 46389), (611, 42441), (903, 28717), (987, 26273), (1677, 15463), (1833, 14147), (2021, 12831), (2209, 11739), (3913, 6627), (4277, 6063)]