209388465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2503}}^1$

素因数の和:2551

約数の個数: 72

約数和(自身を含む): 428905152

約数和(自身を除く): 219516687

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 169, 195, 429, 495, 507, 585, 715, 845, 1287, 1521, 1859, 2145, 2503, 2535, 5577, 6435, 7509, 7605, 9295, 12515, 16731, 22527, 27533, 27885, 32539, 37545, 82599, 83655, 97617, 112635, 137665, 162695, 247797, 292851, 357929, 412995, 423007, 488085, 1073787, 1238985, 1269021, 1464255, 1789645, 2115035, 3221361, 3807063, 4653077, 5368935, 6345105, 13959231, 16106805, 19035315, 23265385, 41877693, 69796155, 209388465]

約数ペア:

[(1, 209388465), (3, 69796155), (5, 41877693), (9, 23265385), (11, 19035315), (13, 16106805), (15, 13959231), (33, 6345105), (39, 5368935), (45, 4653077), (55, 3807063), (65, 3221361), (99, 2115035), (117, 1789645), (143, 1464255), (165, 1269021), (169, 1238985), (195, 1073787), (429, 488085), (495, 423007), (507, 412995), (585, 357929), (715, 292851), (845, 247797), (1287, 162695), (1521, 137665), (1859, 112635), (2145, 97617), (2503, 83655), (2535, 82599), (5577, 37545), (6435, 32539), (7509, 27885), (7605, 27533), (9295, 22527), (12515, 16731)]