28002303

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 20796993

約数列:

[1, 3, 7, 9, 21, 37, 41, 63, 111, 123, 259, 287, 293, 333, 369, 777, 861, 879, 1517, 2051, 2331, 2583, 2637, 4551, 6153, 10619, 10841, 12013, 13653, 18459, 31857, 32523, 36039, 75887, 84091, 95571, 97569, 108117, 227661, 252273, 444481, 682983, 756819, 1333443, 3111367, 4000329, 9334101, 28002303]

約数ペア:

[(1, 28002303), (3, 9334101), (7, 4000329), (9, 3111367), (21, 1333443), (37, 756819), (41, 682983), (63, 444481), (111, 252273), (123, 227661), (259, 108117), (287, 97569), (293, 95571), (333, 84091), (369, 75887), (777, 36039), (861, 32523), (879, 31857), (1517, 18459), (2051, 13653), (2331, 12013), (2583, 10841), (2637, 10619), (4551, 6153)]