28905405

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 47713536

約数和(自身を除く): 18808131

約数列:

[1, 3, 5, 15, 53, 103, 159, 265, 309, 353, 515, 795, 1059, 1545, 1765, 5295, 5459, 16377, 18709, 27295, 36359, 56127, 81885, 93545, 109077, 181795, 280635, 545385, 1927027, 5781081, 9635135, 28905405]

約数ペア:

[(1, 28905405), (3, 9635135), (5, 5781081), (15, 1927027), (53, 545385), (103, 280635), (159, 181795), (265, 109077), (309, 93545), (353, 81885), (515, 56127), (795, 36359), (1059, 27295), (1545, 18709), (1765, 16377), (5295, 5459)]