28331415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 57215808

約数和(自身を除く): 28884393

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 1113, 1697, 1855, 2385, 3339, 5091, 5565, 8485, 11879, 15273, 16695, 25455, 35637, 59395, 76365, 89941, 106911, 178185, 269823, 449705, 534555, 629587, 809469, 1349115, 1888761, 3147935, 4047345, 5666283, 9443805, 28331415]

約数ペア:

[(1, 28331415), (3, 9443805), (5, 5666283), (7, 4047345), (9, 3147935), (15, 1888761), (21, 1349115), (35, 809469), (45, 629587), (53, 534555), (63, 449705), (105, 269823), (159, 178185), (265, 106911), (315, 89941), (371, 76365), (477, 59395), (795, 35637), (1113, 25455), (1697, 16695), (1855, 15273), (2385, 11879), (3339, 8485), (5091, 5565)]