15943875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 29248128

約数和(自身を除く): 13304253

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 61, 75, 85, 123, 125, 183, 205, 255, 305, 375, 425, 615, 697, 915, 1025, 1037, 1275, 1525, 2091, 2125, 2501, 3075, 3111, 3485, 4575, 5125, 5185, 6375, 7503, 7625, 10455, 12505, 15375, 15555, 17425, 22875, 25925, 37515, 42517, 52275, 62525, 77775, 87125, 127551, 129625, 187575, 212585, 261375, 312625, 388875, 637755, 937875, 1062925, 3188775, 5314625, 15943875]

約数ペア:

[(1, 15943875), (3, 5314625), (5, 3188775), (15, 1062925), (17, 937875), (25, 637755), (41, 388875), (51, 312625), (61, 261375), (75, 212585), (85, 187575), (123, 129625), (125, 127551), (183, 87125), (205, 77775), (255, 62525), (305, 52275), (375, 42517), (425, 37515), (615, 25925), (697, 22875), (915, 17425), (1025, 15555), (1037, 15375), (1275, 12505), (1525, 10455), (2091, 7625), (2125, 7503), (2501, 6375), (3075, 5185), (3111, 5125), (3485, 4575)]