2018728665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1583}}^1\times {\mathrm{1667}}^1$

素因数の和:3278

約数の個数: 48

約数和(自身を含む): 3709525248

約数和(自身を除く): 1690796583

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1583, 1667, 4749, 5001, 7915, 8335, 14247, 15003, 23745, 25005, 26911, 28339, 71235, 75015, 80733, 85017, 134555, 141695, 242199, 255051, 403665, 425085, 1210995, 1275255, 2638861, 7916583, 13194305, 23749749, 39582915, 44860637, 118748745, 134581911, 224303185, 403745733, 672909555, 2018728665]

約数ペア:

[(1, 2018728665), (3, 672909555), (5, 403745733), (9, 224303185), (15, 134581911), (17, 118748745), (45, 44860637), (51, 39582915), (85, 23749749), (153, 13194305), (255, 7916583), (765, 2638861), (1583, 1275255), (1667, 1210995), (4749, 425085), (5001, 403665), (7915, 255051), (8335, 242199), (14247, 141695), (15003, 134555), (23745, 85017), (25005, 80733), (26911, 75015), (28339, 71235)]