728389629

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^2\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 54

約数和(自身を含む): 1181857950

約数和(自身を除く): 453468321

約数列:

[1, 3, 9, 11, 33, 67, 99, 121, 149, 201, 363, 447, 603, 737, 1089, 1341, 1639, 2211, 4489, 4917, 6633, 8107, 9983, 13467, 14751, 18029, 24321, 29949, 40401, 49379, 54087, 72963, 89847, 109813, 148137, 162261, 329439, 444411, 543169, 668861, 988317, 1207943, 1629507, 2006583, 3623829, 4888521, 6019749, 7357471, 10871487, 22072413, 66217239, 80932181, 242796543, 728389629]

約数ペア:

[(1, 728389629), (3, 242796543), (9, 80932181), (11, 66217239), (33, 22072413), (67, 10871487), (99, 7357471), (121, 6019749), (149, 4888521), (201, 3623829), (363, 2006583), (447, 1629507), (603, 1207943), (737, 988317), (1089, 668861), (1341, 543169), (1639, 444411), (2211, 329439), (4489, 162261), (4917, 148137), (6633, 109813), (8107, 89847), (9983, 72963), (13467, 54087), (14751, 49379), (18029, 40401), (24321, 29949)]