139889379

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{391847}}^1$

素因数の和:391874

約数の個数: 16

約数和(自身を含む): 225704448

約数和(自身を除く): 85815069

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 391847, 1175541, 2742929, 6661399, 8228787, 19984197, 46629793, 139889379]

約数ペア:

[(1, 139889379), (3, 46629793), (7, 19984197), (17, 8228787), (21, 6661399), (51, 2742929), (119, 1175541), (357, 391847)]