388202409

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1387

約数の個数: 64

約数和(自身を含む): 691271680

約数和(自身を除く): 303069271

約数列:

[1, 3, 7, 9, 21, 27, 37, 43, 63, 111, 129, 189, 259, 301, 333, 387, 777, 903, 999, 1161, 1291, 1591, 2331, 2709, 3873, 4773, 6993, 8127, 9037, 11137, 11619, 14319, 27111, 33411, 34857, 42957, 47767, 55513, 81333, 100233, 143301, 166539, 243999, 300699, 334369, 388591, 429903, 499617, 1003107, 1165773, 1289709, 1498851, 2053981, 3009321, 3497319, 6161943, 9027963, 10491957, 14377867, 18485829, 43133601, 55457487, 129400803, 388202409]

約数ペア:

[(1, 388202409), (3, 129400803), (7, 55457487), (9, 43133601), (21, 18485829), (27, 14377867), (37, 10491957), (43, 9027963), (63, 6161943), (111, 3497319), (129, 3009321), (189, 2053981), (259, 1498851), (301, 1289709), (333, 1165773), (387, 1003107), (777, 499617), (903, 429903), (999, 388591), (1161, 334369), (1291, 300699), (1591, 243999), (2331, 166539), (2709, 143301), (3873, 100233), (4773, 81333), (6993, 55513), (8127, 47767), (9037, 42957), (11137, 34857), (11619, 33411), (14319, 27111)]