2989305

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 60

約数和(自身を含む): 5986596

約数和(自身を除く): 2997291

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 61, 81, 99, 121, 135, 165, 183, 297, 305, 363, 405, 495, 549, 605, 671, 891, 915, 1089, 1485, 1647, 1815, 2013, 2745, 3267, 3355, 4455, 4941, 5445, 6039, 7381, 8235, 9801, 10065, 16335, 18117, 22143, 24705, 30195, 36905, 49005, 54351, 66429, 90585, 110715, 199287, 271755, 332145, 597861, 996435, 2989305]

約数ペア:

[(1, 2989305), (3, 996435), (5, 597861), (9, 332145), (11, 271755), (15, 199287), (27, 110715), (33, 90585), (45, 66429), (55, 54351), (61, 49005), (81, 36905), (99, 30195), (121, 24705), (135, 22143), (165, 18117), (183, 16335), (297, 10065), (305, 9801), (363, 8235), (405, 7381), (495, 6039), (549, 5445), (605, 4941), (671, 4455), (891, 3355), (915, 3267), (1089, 2745), (1485, 2013), (1647, 1815)]