1947755439

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 3346237440

約数和(自身を除く): 1398482001

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 127, 147, 249, 381, 419, 441, 581, 747, 889, 1143, 1257, 1743, 2667, 2933, 3771, 4067, 5229, 6223, 8001, 8799, 10541, 12201, 18669, 20531, 26397, 31623, 34777, 36603, 53213, 56007, 61593, 73787, 94869, 104331, 159639, 184779, 221361, 243439, 312993, 372491, 478917, 516509, 664083, 730317, 1117473, 1549527, 1704073, 2190951, 2607437, 3352419, 4416679, 4648581, 5112219, 7822311, 13250037, 15336657, 23466933, 30916753, 39750111, 92750259, 216417271, 278250777, 649251813, 1947755439]

約数ペア:

[(1, 1947755439), (3, 649251813), (7, 278250777), (9, 216417271), (21, 92750259), (49, 39750111), (63, 30916753), (83, 23466933), (127, 15336657), (147, 13250037), (249, 7822311), (381, 5112219), (419, 4648581), (441, 4416679), (581, 3352419), (747, 2607437), (889, 2190951), (1143, 1704073), (1257, 1549527), (1743, 1117473), (2667, 730317), (2933, 664083), (3771, 516509), (4067, 478917), (5229, 372491), (6223, 312993), (8001, 243439), (8799, 221361), (10541, 184779), (12201, 159639), (18669, 104331), (20531, 94869), (26397, 73787), (31623, 61593), (34777, 56007), (36603, 53213)]