55415913

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19877

約数の個数: 24

約数和(自身を含む): 90479520

約数和(自身を除く): 35063607

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 19841, 59523, 138887, 376979, 416661, 972209, 1130937, 2638853, 2916627, 7916559, 18471971, 55415913]

約数ペア:

[(1, 55415913), (3, 18471971), (7, 7916559), (19, 2916627), (21, 2638853), (49, 1130937), (57, 972209), (133, 416661), (147, 376979), (399, 138887), (931, 59523), (2793, 19841)]