208575375

素因数分解:

$3^1\times 5^3\times {\mathrm{313}}^1\times {\mathrm{1777}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 348374208

約数和(自身を除く): 139798833

約数列:

[1, 3, 5, 15, 25, 75, 125, 313, 375, 939, 1565, 1777, 4695, 5331, 7825, 8885, 23475, 26655, 39125, 44425, 117375, 133275, 222125, 556201, 666375, 1668603, 2781005, 8343015, 13905025, 41715075, 69525125, 208575375]

約数ペア:

[(1, 208575375), (3, 69525125), (5, 41715075), (15, 13905025), (25, 8343015), (75, 2781005), (125, 1668603), (313, 666375), (375, 556201), (939, 222125), (1565, 133275), (1777, 117375), (4695, 44425), (5331, 39125), (7825, 26655), (8885, 23475)]