28854189

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 23561811

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 719, 819, 1029, 1911, 2157, 3087, 4459, 5033, 5733, 6471, 9347, 13377, 15099, 28041, 35231, 40131, 45297, 65429, 84123, 105693, 196287, 246617, 317079, 458003, 588861, 739851, 1374009, 2219553, 3206021, 4122027, 9618063, 28854189]

約数ペア:

[(1, 28854189), (3, 9618063), (7, 4122027), (9, 3206021), (13, 2219553), (21, 1374009), (39, 739851), (49, 588861), (63, 458003), (91, 317079), (117, 246617), (147, 196287), (273, 105693), (343, 84123), (441, 65429), (637, 45297), (719, 40131), (819, 35231), (1029, 28041), (1911, 15099), (2157, 13377), (3087, 9347), (4459, 6471), (5033, 5733)]