15172857

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 27436032

約数和(自身を除く): 12263175

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 457, 527, 651, 1071, 1371, 1581, 1953, 3199, 3689, 4113, 4743, 7769, 9597, 11067, 14167, 23307, 28791, 33201, 42501, 54383, 69921, 99169, 127503, 163149, 240839, 297507, 489447, 722517, 892521, 1685873, 2167551, 5057619, 15172857]

約数ペア:

[(1, 15172857), (3, 5057619), (7, 2167551), (9, 1685873), (17, 892521), (21, 722517), (31, 489447), (51, 297507), (63, 240839), (93, 163149), (119, 127503), (153, 99169), (217, 69921), (279, 54383), (357, 42501), (457, 33201), (527, 28791), (651, 23307), (1071, 14167), (1371, 11067), (1581, 9597), (1953, 7769), (3199, 4743), (3689, 4113)]