28982655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 56410848

約数和(自身を除く): 27428193

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 103, 111, 117, 169, 185, 195, 309, 333, 481, 507, 515, 555, 585, 845, 927, 1339, 1443, 1521, 1545, 1665, 2405, 2535, 3811, 4017, 4329, 4635, 6253, 6695, 7215, 7605, 11433, 12051, 17407, 18759, 19055, 20085, 21645, 31265, 34299, 49543, 52221, 56277, 57165, 60255, 87035, 93795, 148629, 156663, 171495, 247715, 261105, 281385, 445887, 644059, 743145, 783315, 1932177, 2229435, 3220295, 5796531, 9660885, 28982655]

約数ペア:

[(1, 28982655), (3, 9660885), (5, 5796531), (9, 3220295), (13, 2229435), (15, 1932177), (37, 783315), (39, 743145), (45, 644059), (65, 445887), (103, 281385), (111, 261105), (117, 247715), (169, 171495), (185, 156663), (195, 148629), (309, 93795), (333, 87035), (481, 60255), (507, 57165), (515, 56277), (555, 52221), (585, 49543), (845, 34299), (927, 31265), (1339, 21645), (1443, 20085), (1521, 19055), (1545, 18759), (1665, 17407), (2405, 12051), (2535, 11433), (3811, 7605), (4017, 7215), (4329, 6695), (4635, 6253)]