238463757

素因数分解:

$3^4\times 7^1\times {\mathrm{420571}}^1$

素因数の和:420590

約数の個数: 20

約数和(自身を含む): 407113696

約数和(自身を除く): 168649939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 420571, 1261713, 2943997, 3785139, 8831991, 11355417, 26495973, 34066251, 79487919, 238463757]

約数ペア:

[(1, 238463757), (3, 79487919), (7, 34066251), (9, 26495973), (21, 11355417), (27, 8831991), (63, 3785139), (81, 2943997), (189, 1261713), (567, 420571)]