15663463221

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1968019}}^1$

素因数の和:1968408

約数の個数: 16

約数和(自身を含む): 23931123200

約数和(自身を除く): 8267659979

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 1968019, 5904057, 13776133, 41328399, 745879201, 2237637603, 5221154407, 15663463221]

約数ペア:

[(1, 15663463221), (3, 5221154407), (7, 2237637603), (21, 745879201), (379, 41328399), (1137, 13776133), (2653, 5904057), (7959, 1968019)]