805890477

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{28789}}^1$

素因数の和:28873

約数の個数: 32

約数和(自身を含む): 1297162240

約数和(自身を除く): 491271763

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 9331, 27993, 28789, 86367, 201523, 604569, 892459, 1237927, 2677377, 3713781, 6247213, 8665489, 18741639, 25996467, 38375737, 115127211, 268630159, 805890477]

約数ペア:

[(1, 805890477), (3, 268630159), (7, 115127211), (21, 38375737), (31, 25996467), (43, 18741639), (93, 8665489), (129, 6247213), (217, 3713781), (301, 2677377), (651, 1237927), (903, 892459), (1333, 604569), (3999, 201523), (9331, 86367), (27993, 28789)]