1990200741

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 2799132672

約数和(自身を除く): 808931931

約数列:

[1, 3, 23, 69, 211, 223, 613, 633, 669, 1839, 4853, 5129, 14099, 14559, 15387, 42297, 47053, 129343, 136699, 141159, 388029, 410097, 1082219, 2974889, 3144077, 3246657, 8924667, 9432231, 28843489, 86530467, 663400247, 1990200741]

約数ペア:

[(1, 1990200741), (3, 663400247), (23, 86530467), (69, 28843489), (211, 9432231), (223, 8924667), (613, 3246657), (633, 3144077), (669, 2974889), (1839, 1082219), (4853, 410097), (5129, 388029), (14099, 141159), (14559, 136699), (15387, 129343), (42297, 47053)]