311937267

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 449971200

約数和(自身を除く): 138033933

約数列:

[1, 3, 17, 51, 79, 139, 237, 417, 557, 1343, 1671, 2363, 4029, 7089, 9469, 10981, 28407, 32943, 44003, 77423, 132009, 186677, 232269, 560031, 748051, 1316191, 2244153, 3948573, 6116417, 18349251, 103979089, 311937267]

約数ペア:

[(1, 311937267), (3, 103979089), (17, 18349251), (51, 6116417), (79, 3948573), (139, 2244153), (237, 1316191), (417, 748051), (557, 560031), (1343, 232269), (1671, 186677), (2363, 132009), (4029, 77423), (7089, 44003), (9469, 32943), (10981, 28407)]