39867891

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 64094208

約数和(自身を除く): 24226317

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1303, 1457, 3909, 4371, 9121, 10199, 27363, 30597, 40393, 61241, 121179, 183723, 282751, 428687, 848253, 1286061, 1898471, 5695413, 13289297, 39867891]

約数ペア:

[(1, 39867891), (3, 13289297), (7, 5695413), (21, 1898471), (31, 1286061), (47, 848253), (93, 428687), (141, 282751), (217, 183723), (329, 121179), (651, 61241), (987, 40393), (1303, 30597), (1457, 27363), (3909, 10199), (4371, 9121)]