67940991

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 105646080

約数和(自身を除く): 37705089

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 999, 1269, 1447, 1739, 4341, 5217, 13023, 15651, 39069, 46953, 53539, 68009, 160617, 204027, 481851, 612081, 1445553, 1836243, 2516333, 7548999, 22646997, 67940991]

約数ペア:

[(1, 67940991), (3, 22646997), (9, 7548999), (27, 2516333), (37, 1836243), (47, 1445553), (111, 612081), (141, 481851), (333, 204027), (423, 160617), (999, 68009), (1269, 53539), (1447, 46953), (1739, 39069), (4341, 15651), (5217, 13023)]