290401905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1138831}}^1$

素因数の和:1138856

約数の個数: 16

約数和(自身を含む): 491975424

約数和(自身を除く): 201573519

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1138831, 3416493, 5694155, 17082465, 19360127, 58080381, 96800635, 290401905]

約数ペア:

[(1, 290401905), (3, 96800635), (5, 58080381), (15, 19360127), (17, 17082465), (51, 5694155), (85, 3416493), (255, 1138831)]