219312909

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 322631712

約数和(自身を除く): 103318803

約数列:

[1, 3, 9, 67, 201, 443, 603, 821, 1329, 2463, 3987, 7389, 29681, 55007, 89043, 165021, 267129, 363703, 495063, 1091109, 3273327, 24368101, 73104303, 219312909]

約数ペア:

[(1, 219312909), (3, 73104303), (9, 24368101), (67, 3273327), (201, 1091109), (443, 495063), (603, 363703), (821, 267129), (1329, 165021), (2463, 89043), (3987, 55007), (7389, 29681)]