2939895

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 80

約数和(自身を含む): 6481728

約数和(自身を除く): 3541833

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 61, 63, 81, 85, 105, 119, 135, 153, 183, 189, 255, 305, 315, 357, 405, 427, 459, 549, 567, 595, 765, 915, 945, 1037, 1071, 1281, 1377, 1647, 1785, 2135, 2295, 2745, 2835, 3111, 3213, 3843, 4941, 5185, 5355, 6405, 6885, 7259, 8235, 9333, 9639, 11529, 15555, 16065, 19215, 21777, 24705, 27999, 34587, 36295, 46665, 48195, 57645, 65331, 83997, 108885, 139995, 172935, 195993, 326655, 419985, 587979, 979965, 2939895]

約数ペア:

[(1, 2939895), (3, 979965), (5, 587979), (7, 419985), (9, 326655), (15, 195993), (17, 172935), (21, 139995), (27, 108885), (35, 83997), (45, 65331), (51, 57645), (61, 48195), (63, 46665), (81, 36295), (85, 34587), (105, 27999), (119, 24705), (135, 21777), (153, 19215), (183, 16065), (189, 15555), (255, 11529), (305, 9639), (315, 9333), (357, 8235), (405, 7259), (427, 6885), (459, 6405), (549, 5355), (567, 5185), (595, 4941), (765, 3843), (915, 3213), (945, 3111), (1037, 2835), (1071, 2745), (1281, 2295), (1377, 2135), (1647, 1785)]