399508749

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{3307}}^1$

素因数の和:3777

約数の個数: 24

約数和(自身を含む): 597239552

約数和(自身を除く): 197730803

約数列:

[1, 3, 9, 31, 93, 279, 433, 1299, 3307, 3897, 9921, 13423, 29763, 40269, 102517, 120807, 307551, 922653, 1431931, 4295793, 12887379, 44389861, 133169583, 399508749]

約数ペア:

[(1, 399508749), (3, 133169583), (9, 44389861), (31, 12887379), (93, 4295793), (279, 1431931), (433, 922653), (1299, 307551), (3307, 120807), (3897, 102517), (9921, 40269), (13423, 29763)]