207788925

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{21149}}^1$

素因数の和:21293

約数の個数: 24

約数和(自身を含む): 346183200

約数和(自身を除く): 138394275

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 21149, 63447, 105745, 317235, 528725, 1586175, 2770519, 8311557, 13852595, 41557785, 69262975, 207788925]

約数ペア:

[(1, 207788925), (3, 69262975), (5, 41557785), (15, 13852595), (25, 8311557), (75, 2770519), (131, 1586175), (393, 528725), (655, 317235), (1965, 105745), (3275, 63447), (9825, 21149)]