28733049

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 17497863

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 97, 159, 207, 243, 291, 477, 621, 873, 1219, 1431, 1863, 2231, 2619, 3657, 4293, 5141, 5589, 6693, 7857, 10971, 12879, 15423, 20079, 23571, 32913, 46269, 60237, 98739, 118243, 138807, 180711, 296217, 354729, 416421, 542133, 1064187, 1249263, 3192561, 9577683, 28733049]

約数ペア:

[(1, 28733049), (3, 9577683), (9, 3192561), (23, 1249263), (27, 1064187), (53, 542133), (69, 416421), (81, 354729), (97, 296217), (159, 180711), (207, 138807), (243, 118243), (291, 98739), (477, 60237), (621, 46269), (873, 32913), (1219, 23571), (1431, 20079), (1863, 15423), (2231, 12879), (2619, 10971), (3657, 7857), (4293, 6693), (5141, 5589)]