15696891

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 27256320

約数和(自身を除く): 11559429

約数列:

[1, 3, 7, 9, 21, 41, 59, 63, 103, 123, 177, 287, 309, 369, 413, 531, 721, 861, 927, 1239, 2163, 2419, 2583, 3717, 4223, 6077, 6489, 7257, 12669, 16933, 18231, 21771, 29561, 38007, 42539, 50799, 54693, 88683, 127617, 152397, 249157, 266049, 382851, 747471, 1744099, 2242413, 5232297, 15696891]

約数ペア:

[(1, 15696891), (3, 5232297), (7, 2242413), (9, 1744099), (21, 747471), (41, 382851), (59, 266049), (63, 249157), (103, 152397), (123, 127617), (177, 88683), (287, 54693), (309, 50799), (369, 42539), (413, 38007), (531, 29561), (721, 21771), (861, 18231), (927, 16933), (1239, 12669), (2163, 7257), (2419, 6489), (2583, 6077), (3717, 4223)]