71344917

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 122417152

約数和(自身を除く): 51072235

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 127, 241, 259, 333, 381, 723, 777, 889, 1143, 1687, 2169, 2331, 2667, 4699, 5061, 8001, 8917, 14097, 15183, 26751, 30607, 32893, 42291, 62419, 80253, 91821, 98679, 187257, 214249, 275463, 296037, 561771, 642747, 1132459, 1928241, 3397377, 7927213, 10192131, 23781639, 71344917]

約数ペア:

[(1, 71344917), (3, 23781639), (7, 10192131), (9, 7927213), (21, 3397377), (37, 1928241), (63, 1132459), (111, 642747), (127, 561771), (241, 296037), (259, 275463), (333, 214249), (381, 187257), (723, 98679), (777, 91821), (889, 80253), (1143, 62419), (1687, 42291), (2169, 32893), (2331, 30607), (2667, 26751), (4699, 15183), (5061, 14097), (8001, 8917)]