321542139

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{20897}}^1$

素因数の和:21146

約数の個数: 16

約数和(自身を含む): 449390592

約数和(自身を除く): 127848453

約数列:

[1, 3, 23, 69, 223, 669, 5129, 15387, 20897, 62691, 480631, 1441893, 4660031, 13980093, 107180713, 321542139]

約数ペア:

[(1, 321542139), (3, 107180713), (23, 13980093), (69, 4660031), (223, 1441893), (669, 480631), (5129, 62691), (15387, 20897)]