205787415

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 333849600

約数和(自身を除く): 128062185

約数列:

[1, 3, 5, 15, 139, 229, 417, 431, 687, 695, 1145, 1293, 2085, 2155, 3435, 6465, 31831, 59909, 95493, 98699, 159155, 179727, 296097, 299545, 477465, 493495, 898635, 1480485, 13719161, 41157483, 68595805, 205787415]

約数ペア:

[(1, 205787415), (3, 68595805), (5, 41157483), (15, 13719161), (139, 1480485), (229, 898635), (417, 493495), (431, 477465), (687, 299545), (695, 296097), (1145, 179727), (1293, 159155), (2085, 98699), (2155, 95493), (3435, 59909), (6465, 31831)]