28811643

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 45534720

約数和(自身を除く): 16723077

約数列:

[1, 3, 7, 21, 41, 109, 123, 287, 307, 327, 763, 861, 921, 2149, 2289, 4469, 6447, 12587, 13407, 31283, 33463, 37761, 88109, 93849, 100389, 234241, 264327, 702723, 1371983, 4115949, 9603881, 28811643]

約数ペア:

[(1, 28811643), (3, 9603881), (7, 4115949), (21, 1371983), (41, 702723), (109, 264327), (123, 234241), (287, 100389), (307, 93849), (327, 88109), (763, 37761), (861, 33463), (921, 31283), (2149, 13407), (2289, 12587), (4469, 6447)]