317985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 32

約数和(自身を含む): 570240

約数和(自身を除く): 252255

約数列:

[1, 3, 5, 15, 17, 29, 43, 51, 85, 87, 129, 145, 215, 255, 435, 493, 645, 731, 1247, 1479, 2193, 2465, 3655, 3741, 6235, 7395, 10965, 18705, 21199, 63597, 105995, 317985]

約数ペア:

[(1, 317985), (3, 105995), (5, 63597), (15, 21199), (17, 18705), (29, 10965), (43, 7395), (51, 6235), (85, 3741), (87, 3655), (129, 2465), (145, 2193), (215, 1479), (255, 1247), (435, 731), (493, 645)]