173833821

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 305173440

約数和(自身を除く): 131339619

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 89, 103, 129, 147, 267, 301, 309, 387, 441, 623, 721, 801, 903, 927, 1869, 2107, 2163, 2709, 3827, 4361, 4429, 5047, 5607, 6321, 6489, 9167, 11481, 13083, 13287, 15141, 18963, 26789, 27501, 31003, 34443, 39249, 39861, 45423, 64169, 80367, 82503, 93009, 187523, 192507, 217021, 241101, 279027, 394181, 449183, 562569, 577521, 651063, 1182543, 1347549, 1687707, 1953189, 2759267, 3547629, 4042647, 8277801, 19314869, 24833403, 57944607, 173833821]

約数ペア:

[(1, 173833821), (3, 57944607), (7, 24833403), (9, 19314869), (21, 8277801), (43, 4042647), (49, 3547629), (63, 2759267), (89, 1953189), (103, 1687707), (129, 1347549), (147, 1182543), (267, 651063), (301, 577521), (309, 562569), (387, 449183), (441, 394181), (623, 279027), (721, 241101), (801, 217021), (903, 192507), (927, 187523), (1869, 93009), (2107, 82503), (2163, 80367), (2709, 64169), (3827, 45423), (4361, 39861), (4429, 39249), (5047, 34443), (5607, 31003), (6321, 27501), (6489, 26789), (9167, 18963), (11481, 15141), (13083, 13287)]