12315875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 18499104

約数和(自身を除く): 6183229

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 125, 143, 169, 265, 275, 325, 583, 689, 715, 845, 1325, 1375, 1625, 1859, 2915, 3445, 3575, 4225, 6625, 7579, 8957, 9295, 14575, 17225, 17875, 21125, 37895, 44785, 46475, 72875, 86125, 98527, 189475, 223925, 232375, 492635, 947375, 1119625, 2463175, 12315875]

約数ペア:

[(1, 12315875), (5, 2463175), (11, 1119625), (13, 947375), (25, 492635), (53, 232375), (55, 223925), (65, 189475), (125, 98527), (143, 86125), (169, 72875), (265, 46475), (275, 44785), (325, 37895), (583, 21125), (689, 17875), (715, 17225), (845, 14575), (1325, 9295), (1375, 8957), (1625, 7579), (1859, 6625), (2915, 4225), (3445, 3575)]