1279554555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 2228041728

約数和(自身を除く): 948487173

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 241, 255, 443, 705, 723, 799, 1205, 1329, 2215, 2397, 3615, 3995, 4097, 6645, 7531, 11327, 11985, 12291, 20485, 20821, 22593, 33981, 37655, 56635, 61455, 62463, 104105, 106763, 112965, 169905, 192559, 312315, 320289, 353957, 533815, 577677, 962795, 1061871, 1601445, 1769785, 1814971, 2888385, 5017861, 5309355, 5444913, 9074855, 15053583, 25089305, 27224565, 75267915, 85303637, 255910911, 426518185, 1279554555]

約数ペア:

[(1, 1279554555), (3, 426518185), (5, 255910911), (15, 85303637), (17, 75267915), (47, 27224565), (51, 25089305), (85, 15053583), (141, 9074855), (235, 5444913), (241, 5309355), (255, 5017861), (443, 2888385), (705, 1814971), (723, 1769785), (799, 1601445), (1205, 1061871), (1329, 962795), (2215, 577677), (2397, 533815), (3615, 353957), (3995, 320289), (4097, 312315), (6645, 192559), (7531, 169905), (11327, 112965), (11985, 106763), (12291, 104105), (20485, 62463), (20821, 61455), (22593, 56635), (33981, 37655)]