25532871

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 18593337

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 431, 637, 651, 1209, 1293, 1519, 1911, 2821, 3017, 4557, 5603, 8463, 9051, 13361, 16809, 19747, 21119, 39221, 40083, 59241, 63357, 93527, 117663, 173693, 274547, 280581, 521079, 654689, 823641, 1215851, 1964067, 3647553, 8510957, 25532871]

約数ペア:

[(1, 25532871), (3, 8510957), (7, 3647553), (13, 1964067), (21, 1215851), (31, 823641), (39, 654689), (49, 521079), (91, 280581), (93, 274547), (147, 173693), (217, 117663), (273, 93527), (403, 63357), (431, 59241), (637, 40083), (651, 39221), (1209, 21119), (1293, 19747), (1519, 16809), (1911, 13361), (2821, 9051), (3017, 8463), (4557, 5603)]