28250439

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{151}}^2$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 44069760

約数和(自身を除く): 15819321

約数列:

[1, 3, 7, 21, 59, 151, 177, 413, 453, 1057, 1239, 3171, 8909, 22801, 26727, 62363, 68403, 159607, 187089, 478821, 1345259, 4035777, 9416813, 28250439]

約数ペア:

[(1, 28250439), (3, 9416813), (7, 4035777), (21, 1345259), (59, 478821), (151, 187089), (177, 159607), (413, 68403), (453, 62363), (1057, 26727), (1239, 22801), (3171, 8909)]