199915965

素因数分解:

$3^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1409}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 355996800

約数和(自身を除く): 156080835

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1051, 1409, 3153, 4227, 5255, 7045, 9459, 12681, 15765, 21135, 28377, 38043, 47295, 63405, 141885, 190215, 1480859, 4442577, 7404295, 13327731, 22212885, 39983193, 66638655, 199915965]

約数ペア:

[(1, 199915965), (3, 66638655), (5, 39983193), (9, 22212885), (15, 13327731), (27, 7404295), (45, 4442577), (135, 1480859), (1051, 190215), (1409, 141885), (3153, 63405), (4227, 47295), (5255, 38043), (7045, 28377), (9459, 21135), (12681, 15765)]