81693075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{3769}}^1$

素因数の和:3816

約数の個数: 36

約数和(自身を含む): 143516360

約数和(自身を除く): 61823285

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1445, 3769, 4335, 7225, 11307, 18845, 21675, 56535, 64073, 94225, 192219, 282675, 320365, 961095, 1089241, 1601825, 3267723, 4805475, 5446205, 16338615, 27231025, 81693075]

約数ペア:

[(1, 81693075), (3, 27231025), (5, 16338615), (15, 5446205), (17, 4805475), (25, 3267723), (51, 1601825), (75, 1089241), (85, 961095), (255, 320365), (289, 282675), (425, 192219), (867, 94225), (1275, 64073), (1445, 56535), (3769, 21675), (4335, 18845), (7225, 11307)]