2991915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3911}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 5492448

約数和(自身を除く): 2500533

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 3911, 11733, 19555, 35199, 58665, 66487, 175995, 199461, 332435, 598383, 997305, 2991915]

約数ペア:

[(1, 2991915), (3, 997305), (5, 598383), (9, 332435), (15, 199461), (17, 175995), (45, 66487), (51, 58665), (85, 35199), (153, 19555), (255, 11733), (765, 3911)]