28410417

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 22537935

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 647, 697, 861, 1071, 1941, 2091, 2583, 4529, 4879, 5823, 6273, 10999, 13587, 14637, 26527, 32997, 40761, 43911, 76993, 79581, 98991, 185689, 230979, 238743, 450959, 557067, 692937, 1352877, 1671201, 3156713, 4058631, 9470139, 28410417]

約数ペア:

[(1, 28410417), (3, 9470139), (7, 4058631), (9, 3156713), (17, 1671201), (21, 1352877), (41, 692937), (51, 557067), (63, 450959), (119, 238743), (123, 230979), (153, 185689), (287, 98991), (357, 79581), (369, 76993), (647, 43911), (697, 40761), (861, 32997), (1071, 26527), (1941, 14637), (2091, 13587), (2583, 10999), (4529, 6273), (4879, 5823)]