2728075

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 4198392

約数和(自身を除く): 1470317

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 131, 175, 245, 425, 595, 655, 833, 917, 1225, 2227, 2975, 3275, 4165, 4585, 6419, 11135, 15589, 20825, 22925, 32095, 55675, 77945, 109123, 160475, 389725, 545615, 2728075]

約数ペア:

[(1, 2728075), (5, 545615), (7, 389725), (17, 160475), (25, 109123), (35, 77945), (49, 55675), (85, 32095), (119, 22925), (131, 20825), (175, 15589), (245, 11135), (425, 6419), (595, 4585), (655, 4165), (833, 3275), (917, 2975), (1225, 2227)]