61686639

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3253}}^1$

素因数の和:3316

約数の個数: 36

約数和(自身を含む): 106093416

約数和(自身を除く): 44406777

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 3253, 6321, 9759, 18963, 22771, 29277, 68313, 139879, 159397, 204939, 419637, 478191, 979153, 1258911, 1434573, 2937459, 6854071, 8812377, 20562213, 61686639]

約数ペア:

[(1, 61686639), (3, 20562213), (7, 8812377), (9, 6854071), (21, 2937459), (43, 1434573), (49, 1258911), (63, 979153), (129, 478191), (147, 419637), (301, 204939), (387, 159397), (441, 139879), (903, 68313), (2107, 29277), (2709, 22771), (3253, 18963), (6321, 9759)]