20173685973

素因数分解:

$3^1\times 7^3\times {\mathrm{2141}}^1\times {\mathrm{9157}}^1$

素因数の和:11322

約数の個数: 32

約数和(自身を含む): 31386297600

約数和(自身を除く): 11212611627

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2141, 6423, 9157, 14987, 27471, 44961, 64099, 104909, 192297, 314727, 448693, 734363, 1346079, 2203089, 3140851, 9422553, 19605137, 58815411, 137235959, 411707877, 960651713, 2881955139, 6724561991, 20173685973]

約数ペア:

[(1, 20173685973), (3, 6724561991), (7, 2881955139), (21, 960651713), (49, 411707877), (147, 137235959), (343, 58815411), (1029, 19605137), (2141, 9422553), (6423, 3140851), (9157, 2203089), (14987, 1346079), (27471, 734363), (44961, 448693), (64099, 314727), (104909, 192297)]