15956227

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 19819520

約数和(自身を除く): 3863293

約数列:

[1, 7, 23, 31, 139, 161, 217, 529, 713, 973, 3197, 3703, 4309, 4991, 16399, 22379, 30163, 73531, 99107, 114793, 514717, 693749, 2279461, 15956227]

約数ペア:

[(1, 15956227), (7, 2279461), (23, 693749), (31, 514717), (139, 114793), (161, 99107), (217, 73531), (529, 30163), (713, 22379), (973, 16399), (3197, 4991), (3703, 4309)]