207847875

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{4231}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 348581376

約数和(自身を除く): 140733501

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 655, 1965, 3275, 4231, 9825, 12693, 16375, 21155, 49125, 63465, 105775, 317325, 528875, 554261, 1586625, 1662783, 2771305, 8313915, 13856525, 41569575, 69282625, 207847875]

約数ペア:

[(1, 207847875), (3, 69282625), (5, 41569575), (15, 13856525), (25, 8313915), (75, 2771305), (125, 1662783), (131, 1586625), (375, 554261), (393, 528875), (655, 317325), (1965, 105775), (3275, 63465), (4231, 49125), (9825, 21155), (12693, 16375)]