28972743

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 42497280

約数和(自身を除く): 13524537

約数列:

[1, 3, 17, 51, 61, 67, 139, 183, 201, 417, 1037, 1139, 2363, 3111, 3417, 4087, 7089, 8479, 9313, 12261, 25437, 27939, 69479, 144143, 158321, 208437, 432429, 474963, 568093, 1704279, 9657581, 28972743]

約数ペア:

[(1, 28972743), (3, 9657581), (17, 1704279), (51, 568093), (61, 474963), (67, 432429), (139, 208437), (183, 158321), (201, 144143), (417, 69479), (1037, 27939), (1139, 25437), (2363, 12261), (3111, 9313), (3417, 8479), (4087, 7089)]