40381257

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 63562752

約数和(自身を除く): 23181495

約数列:

[1, 3, 7, 21, 43, 129, 197, 227, 301, 591, 681, 903, 1379, 1589, 4137, 4767, 8471, 9761, 25413, 29283, 44719, 59297, 68327, 134157, 177891, 204981, 313033, 939099, 1922917, 5768751, 13460419, 40381257]

約数ペア:

[(1, 40381257), (3, 13460419), (7, 5768751), (21, 1922917), (43, 939099), (129, 313033), (197, 204981), (227, 177891), (301, 134157), (591, 68327), (681, 59297), (903, 44719), (1379, 29283), (1589, 25413), (4137, 9761), (4767, 8471)]