28618425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 57877248

約数和(自身を除く): 29258823

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 275, 279, 341, 373, 465, 495, 775, 825, 1023, 1119, 1395, 1705, 1865, 2325, 2475, 3069, 3357, 4103, 5115, 5595, 6975, 8525, 9325, 11563, 12309, 15345, 16785, 20515, 25575, 27975, 34689, 36927, 57815, 61545, 76725, 83925, 102575, 104067, 127193, 173445, 184635, 289075, 307725, 381579, 520335, 635965, 867225, 923175, 1144737, 1907895, 2601675, 3179825, 5723685, 9539475, 28618425]

約数ペア:

[(1, 28618425), (3, 9539475), (5, 5723685), (9, 3179825), (11, 2601675), (15, 1907895), (25, 1144737), (31, 923175), (33, 867225), (45, 635965), (55, 520335), (75, 381579), (93, 307725), (99, 289075), (155, 184635), (165, 173445), (225, 127193), (275, 104067), (279, 102575), (341, 83925), (373, 76725), (465, 61545), (495, 57815), (775, 36927), (825, 34689), (1023, 27975), (1119, 25575), (1395, 20515), (1705, 16785), (1865, 15345), (2325, 12309), (2475, 11563), (3069, 9325), (3357, 8525), (4103, 6975), (5115, 5595)]