188393793

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{208631}}^1$

素因数の和:208684

約数の個数: 16

約数和(自身を含む): 293753856

約数和(自身を除く): 105360063

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 208631, 625893, 1460417, 4381251, 8971133, 26913399, 62797931, 188393793]

約数ペア:

[(1, 188393793), (3, 62797931), (7, 26913399), (21, 8971133), (43, 4381251), (129, 1460417), (301, 625893), (903, 208631)]