872865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 1842048

約数和(自身を除く): 969183

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 163, 255, 315, 357, 489, 595, 765, 815, 1071, 1141, 1467, 1785, 2445, 2771, 3423, 5355, 5705, 7335, 8313, 10269, 13855, 17115, 19397, 24939, 41565, 51345, 58191, 96985, 124695, 174573, 290955, 872865]

約数ペア:

[(1, 872865), (3, 290955), (5, 174573), (7, 124695), (9, 96985), (15, 58191), (17, 51345), (21, 41565), (35, 24939), (45, 19397), (51, 17115), (63, 13855), (85, 10269), (105, 8313), (119, 7335), (153, 5705), (163, 5355), (255, 3423), (315, 2771), (357, 2445), (489, 1785), (595, 1467), (765, 1141), (815, 1071)]