28391475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 26605005

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 175, 205, 287, 525, 615, 861, 1025, 1319, 1435, 3075, 3957, 4305, 6595, 7175, 9233, 19785, 21525, 27699, 32975, 46165, 54079, 98925, 138495, 162237, 230825, 270395, 378553, 692475, 811185, 1135659, 1351975, 1892765, 4055925, 5678295, 9463825, 28391475]

約数ペア:

[(1, 28391475), (3, 9463825), (5, 5678295), (7, 4055925), (15, 1892765), (21, 1351975), (25, 1135659), (35, 811185), (41, 692475), (75, 378553), (105, 270395), (123, 230825), (175, 162237), (205, 138495), (287, 98925), (525, 54079), (615, 46165), (861, 32975), (1025, 27699), (1319, 21525), (1435, 19785), (3075, 9233), (3957, 7175), (4305, 6595)]