2556551511

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{6971}}^1$

素因数の和:7061

約数の個数: 48

約数和(自身を含む): 4109575680

約数和(自身を除く): 1553024169

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 289, 423, 459, 799, 867, 1269, 2397, 2601, 6971, 7191, 7803, 13583, 20913, 21573, 40749, 62739, 118507, 122247, 188217, 327637, 355521, 366741, 982911, 1066563, 2014619, 2948733, 3199689, 5569829, 6043857, 8846199, 16709487, 18131571, 50128461, 54394713, 94687093, 150385383, 284061279, 852183837, 2556551511]

約数ペア:

[(1, 2556551511), (3, 852183837), (9, 284061279), (17, 150385383), (27, 94687093), (47, 54394713), (51, 50128461), (141, 18131571), (153, 16709487), (289, 8846199), (423, 6043857), (459, 5569829), (799, 3199689), (867, 2948733), (1269, 2014619), (2397, 1066563), (2601, 982911), (6971, 366741), (7191, 355521), (7803, 327637), (13583, 188217), (20913, 122247), (21573, 118507), (40749, 62739)]