71684739

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59887}}^1$

素因数の和:59919

約数の個数: 24

約数和(自身を含む): 124567040

約数和(自身を除く): 52882301

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 59887, 179661, 419209, 538983, 1137853, 1257627, 3413559, 3772881, 7964971, 10240677, 23894913, 71684739]

約数ペア:

[(1, 71684739), (3, 23894913), (7, 10240677), (9, 7964971), (19, 3772881), (21, 3413559), (57, 1257627), (63, 1137853), (133, 538983), (171, 419209), (399, 179661), (1197, 59887)]