67428879

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 106997760

約数和(自身を除く): 39568881

約数列:

[1, 3, 7, 21, 47, 53, 141, 159, 329, 371, 987, 1113, 1289, 2491, 3867, 7473, 9023, 17437, 27069, 52311, 60583, 68317, 181749, 204951, 424081, 478219, 1272243, 1434657, 3210899, 9632697, 22476293, 67428879]

約数ペア:

[(1, 67428879), (3, 22476293), (7, 9632697), (21, 3210899), (47, 1434657), (53, 1272243), (141, 478219), (159, 424081), (329, 204951), (371, 181749), (987, 68317), (1113, 60583), (1289, 52311), (2491, 27069), (3867, 17437), (7473, 9023)]