81154311

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7333}}^1$

素因数の和:7391

約数の個数: 32

約数和(自身を含む): 135180288

約数和(自身を除く): 54025977

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 7333, 11067, 21999, 51331, 124661, 153993, 227323, 373983, 681969, 872627, 1591261, 2617881, 3864491, 4773783, 11593473, 27051437, 81154311]

約数ペア:

[(1, 81154311), (3, 27051437), (7, 11593473), (17, 4773783), (21, 3864491), (31, 2617881), (51, 1591261), (93, 872627), (119, 681969), (217, 373983), (357, 227323), (527, 153993), (651, 124661), (1581, 51331), (3689, 21999), (7333, 11067)]