320038515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{418351}}^1$

素因数の和:418379

約数の個数: 24

約数和(自身を含む): 587366208

約数和(自身を除く): 267327693

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 418351, 1255053, 2091755, 3765159, 6275265, 7111967, 18825795, 21335901, 35559835, 64007703, 106679505, 320038515]

約数ペア:

[(1, 320038515), (3, 106679505), (5, 64007703), (9, 35559835), (15, 21335901), (17, 18825795), (45, 7111967), (51, 6275265), (85, 3765159), (153, 2091755), (255, 1255053), (765, 418351)]