388908711

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1523}}^1\times {\mathrm{1669}}^1$

素因数の和:3215

約数の個数: 24

約数和(自身を含む): 595548720

約数和(自身を除く): 206640009

約数列:

[1, 3, 9, 17, 51, 153, 1523, 1669, 4569, 5007, 13707, 15021, 25891, 28373, 77673, 85119, 233019, 255357, 2541887, 7625661, 22876983, 43212079, 129636237, 388908711]

約数ペア:

[(1, 388908711), (3, 129636237), (9, 43212079), (17, 22876983), (51, 7625661), (153, 2541887), (1523, 255357), (1669, 233019), (4569, 85119), (5007, 77673), (13707, 28373), (15021, 25891)]