313680855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1861}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 532502208

約数和(自身を除く): 218821353

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 661, 1861, 1983, 3305, 5583, 9305, 9915, 11237, 27915, 31637, 33711, 56185, 94911, 158185, 168555, 474555, 1230121, 3690363, 6150605, 18451815, 20912057, 62736171, 104560285, 313680855]

約数ペア:

[(1, 313680855), (3, 104560285), (5, 62736171), (15, 20912057), (17, 18451815), (51, 6150605), (85, 3690363), (255, 1230121), (661, 474555), (1861, 168555), (1983, 158185), (3305, 94911), (5583, 56185), (9305, 33711), (9915, 31637), (11237, 27915)]