201936987

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 363078144

約数和(自身を除く): 161141157

約数列:

[1, 3, 7, 9, 21, 23, 43, 49, 63, 69, 129, 147, 161, 207, 301, 387, 441, 463, 483, 903, 989, 1127, 1389, 1449, 2107, 2709, 2967, 3241, 3381, 4167, 6321, 6923, 8901, 9723, 10143, 10649, 18963, 19909, 20769, 22687, 29169, 31947, 48461, 59727, 62307, 68061, 74543, 95841, 139363, 145383, 179181, 204183, 223629, 418089, 436149, 457907, 521801, 670887, 975541, 1254267, 1373721, 1565403, 2926623, 3205349, 4121163, 4696209, 8779869, 9616047, 22437443, 28848141, 67312329, 201936987]

約数ペア:

[(1, 201936987), (3, 67312329), (7, 28848141), (9, 22437443), (21, 9616047), (23, 8779869), (43, 4696209), (49, 4121163), (63, 3205349), (69, 2926623), (129, 1565403), (147, 1373721), (161, 1254267), (207, 975541), (301, 670887), (387, 521801), (441, 457907), (463, 436149), (483, 418089), (903, 223629), (989, 204183), (1127, 179181), (1389, 145383), (1449, 139363), (2107, 95841), (2709, 74543), (2967, 68061), (3241, 62307), (3381, 59727), (4167, 48461), (6321, 31947), (6923, 29169), (8901, 22687), (9723, 20769), (10143, 19909), (10649, 18963)]