291218925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3217}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 517145472

約数和(自身を除く): 225926547

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 1065, 1207, 1275, 1775, 3217, 3621, 5325, 6035, 9651, 16085, 18105, 30175, 48255, 54689, 80425, 90525, 164067, 228407, 241275, 273445, 685221, 820335, 1142035, 1367225, 3426105, 3882919, 4101675, 5710175, 11648757, 17130525, 19414595, 58243785, 97072975, 291218925]

約数ペア:

[(1, 291218925), (3, 97072975), (5, 58243785), (15, 19414595), (17, 17130525), (25, 11648757), (51, 5710175), (71, 4101675), (75, 3882919), (85, 3426105), (213, 1367225), (255, 1142035), (355, 820335), (425, 685221), (1065, 273445), (1207, 241275), (1275, 228407), (1775, 164067), (3217, 90525), (3621, 80425), (5325, 54689), (6035, 48255), (9651, 30175), (16085, 18105)]