15756705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13895775

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 479, 645, 731, 765, 1437, 1935, 2193, 2395, 3655, 4311, 6579, 7185, 8143, 10965, 20597, 21555, 24429, 32895, 40715, 61791, 73287, 102985, 122145, 185373, 308955, 350149, 366435, 926865, 1050447, 1750745, 3151341, 5252235, 15756705]

約数ペア:

[(1, 15756705), (3, 5252235), (5, 3151341), (9, 1750745), (15, 1050447), (17, 926865), (43, 366435), (45, 350149), (51, 308955), (85, 185373), (129, 122145), (153, 102985), (215, 73287), (255, 61791), (387, 40715), (479, 32895), (645, 24429), (731, 21555), (765, 20597), (1437, 10965), (1935, 8143), (2193, 7185), (2395, 6579), (3655, 4311)]