28411785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 52101504

約数和(自身を除く): 23689719

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 97, 115, 207, 283, 291, 345, 485, 849, 873, 1035, 1415, 1455, 2231, 2547, 4245, 4365, 6509, 6693, 11155, 12735, 19527, 20079, 27451, 32545, 33465, 58581, 82353, 97635, 100395, 137255, 247059, 292905, 411765, 631373, 1235295, 1894119, 3156865, 5682357, 9470595, 28411785]

約数ペア:

[(1, 28411785), (3, 9470595), (5, 5682357), (9, 3156865), (15, 1894119), (23, 1235295), (45, 631373), (69, 411765), (97, 292905), (115, 247059), (207, 137255), (283, 100395), (291, 97635), (345, 82353), (485, 58581), (849, 33465), (873, 32545), (1035, 27451), (1415, 20079), (1455, 19527), (2231, 12735), (2547, 11155), (4245, 6693), (4365, 6509)]