201891915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263911}}^1$

素因数の和:263939

約数の個数: 24

約数和(自身を含む): 370532448

約数和(自身を除く): 168640533

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 263911, 791733, 1319555, 2375199, 3958665, 4486487, 11875995, 13459461, 22432435, 40378383, 67297305, 201891915]

約数ペア:

[(1, 201891915), (3, 67297305), (5, 40378383), (9, 22432435), (15, 13459461), (17, 11875995), (45, 4486487), (51, 3958665), (85, 2375199), (153, 1319555), (255, 791733), (765, 263911)]