15541215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 26251776

約数和(自身を除く): 10710561

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 421, 535, 1263, 1605, 2105, 2461, 6315, 7383, 9683, 12305, 29049, 36915, 45047, 48415, 135141, 145245, 225235, 675705, 1036081, 3108243, 5180405, 15541215]

約数ペア:

[(1, 15541215), (3, 5180405), (5, 3108243), (15, 1036081), (23, 675705), (69, 225235), (107, 145245), (115, 135141), (321, 48415), (345, 45047), (421, 36915), (535, 29049), (1263, 12305), (1605, 9683), (2105, 7383), (2461, 6315)]