28921305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5197}}^1$

素因数の和:5265

約数の個数: 32

約数和(自身を含む): 53892864

約数和(自身を除く): 24971559

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 5197, 5565, 15591, 25985, 36379, 77955, 109137, 181895, 275441, 545685, 826323, 1377205, 1928087, 4131615, 5784261, 9640435, 28921305]

約数ペア:

[(1, 28921305), (3, 9640435), (5, 5784261), (7, 4131615), (15, 1928087), (21, 1377205), (35, 826323), (53, 545685), (105, 275441), (159, 181895), (265, 109137), (371, 77955), (795, 36379), (1113, 25985), (1855, 15591), (5197, 5565)]