68693919

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 108134400

約数和(自身を除く): 39440481

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 381, 599, 889, 903, 1797, 2667, 4193, 5461, 12579, 16383, 25757, 38227, 76073, 77271, 114681, 180299, 228219, 532511, 540897, 1597533, 3271139, 9813417, 22897973, 68693919]

約数ペア:

[(1, 68693919), (3, 22897973), (7, 9813417), (21, 3271139), (43, 1597533), (127, 540897), (129, 532511), (301, 228219), (381, 180299), (599, 114681), (889, 77271), (903, 76073), (1797, 38227), (2667, 25757), (4193, 16383), (5461, 12579)]