25205697

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 42172416

約数和(自身を除く): 16966719

約数列:

[1, 3, 9, 11, 31, 33, 43, 93, 99, 129, 191, 279, 341, 387, 473, 573, 1023, 1333, 1419, 1719, 2101, 3069, 3999, 4257, 5921, 6303, 8213, 11997, 14663, 17763, 18909, 24639, 43989, 53289, 65131, 73917, 90343, 131967, 195393, 254603, 271029, 586179, 763809, 813087, 2291427, 2800633, 8401899, 25205697]

約数ペア:

[(1, 25205697), (3, 8401899), (9, 2800633), (11, 2291427), (31, 813087), (33, 763809), (43, 586179), (93, 271029), (99, 254603), (129, 195393), (191, 131967), (279, 90343), (341, 73917), (387, 65131), (473, 53289), (573, 43989), (1023, 24639), (1333, 18909), (1419, 17763), (1719, 14663), (2101, 11997), (3069, 8213), (3999, 6303), (4257, 5921)]