71439039

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26371}}^1$

素因数の和:26427

約数の個数: 24

約数和(自身を含む): 120678272

約数和(自身を除く): 49239233

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 26371, 79113, 184597, 237339, 553791, 1133953, 1661373, 3401859, 7937671, 10205577, 23813013, 71439039]

約数ペア:

[(1, 71439039), (3, 23813013), (7, 10205577), (9, 7937671), (21, 3401859), (43, 1661373), (63, 1133953), (129, 553791), (301, 237339), (387, 184597), (903, 79113), (2709, 26371)]