31361379

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 51134976

約数和(自身を除く): 19773597

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 821, 1819, 2247, 2463, 5457, 5747, 12733, 13957, 17241, 38199, 41871, 87847, 97699, 263541, 293097, 614929, 1493399, 1844787, 4480197, 10453793, 31361379]

約数ペア:

[(1, 31361379), (3, 10453793), (7, 4480197), (17, 1844787), (21, 1493399), (51, 614929), (107, 293097), (119, 263541), (321, 97699), (357, 87847), (749, 41871), (821, 38199), (1819, 17241), (2247, 13957), (2463, 12733), (5457, 5747)]