206757825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{9539}}^1$

素因数の和:9586

約数の個数: 36

約数和(自身を含む): 363168720

約数和(自身を除く): 156410895

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1445, 4335, 7225, 9539, 21675, 28617, 47695, 143085, 162163, 238475, 486489, 715425, 810815, 2432445, 2756771, 4054075, 8270313, 12162225, 13783855, 41351565, 68919275, 206757825]

約数ペア:

[(1, 206757825), (3, 68919275), (5, 41351565), (15, 13783855), (17, 12162225), (25, 8270313), (51, 4054075), (75, 2756771), (85, 2432445), (255, 810815), (289, 715425), (425, 486489), (867, 238475), (1275, 162163), (1445, 143085), (4335, 47695), (7225, 28617), (9539, 21675)]