1278528615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{312217}}^1$

素因数の和:312248

約数の個数: 48

約数和(自身を含む): 2727536448

約数和(自身を除く): 1449007833

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 312217, 936651, 1561085, 2185519, 2809953, 4058821, 4683255, 6556557, 10927595, 12176463, 14049765, 19669671, 20294105, 28411747, 32782785, 36529389, 60882315, 85235241, 98348355, 142058735, 182646945, 255705723, 426176205, 1278528615]

約数ペア:

[(1, 1278528615), (3, 426176205), (5, 255705723), (7, 182646945), (9, 142058735), (13, 98348355), (15, 85235241), (21, 60882315), (35, 36529389), (39, 32782785), (45, 28411747), (63, 20294105), (65, 19669671), (91, 14049765), (105, 12176463), (117, 10927595), (195, 6556557), (273, 4683255), (315, 4058821), (455, 2809953), (585, 2185519), (819, 1561085), (1365, 936651), (4095, 312217)]