1994242545

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{868951}}^1$

素因数の和:868982

約数の個数: 32

約数和(自身を含む): 3753872640

約数和(自身を除く): 1759630095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 868951, 2606853, 4344755, 7820559, 13034265, 14772167, 23461677, 39102795, 44316501, 73860835, 117308385, 132949503, 221582505, 398848509, 664747515, 1994242545]

約数ペア:

[(1, 1994242545), (3, 664747515), (5, 398848509), (9, 221582505), (15, 132949503), (17, 117308385), (27, 73860835), (45, 44316501), (51, 39102795), (85, 23461677), (135, 14772167), (153, 13034265), (255, 7820559), (459, 4344755), (765, 2606853), (2295, 868951)]