15131739

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 23784960

約数和(自身を除く): 8653221

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1303, 1659, 3871, 3909, 9121, 11613, 27363, 63847, 102937, 191541, 308811, 720559, 2161677, 5043913, 15131739]

約数ペア:

[(1, 15131739), (3, 5043913), (7, 2161677), (21, 720559), (49, 308811), (79, 191541), (147, 102937), (237, 63847), (553, 27363), (1303, 11613), (1659, 9121), (3871, 3909)]