61621749

素因数分解:

$3^3\times 7^1\times {\mathrm{571}}^2$

素因数の和:1158

約数の個数: 24

約数和(自身を含む): 104516160

約数和(自身を除く): 42894411

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 571, 1713, 3997, 5139, 11991, 15417, 35973, 107919, 326041, 978123, 2282287, 2934369, 6846861, 8803107, 20540583, 61621749]

約数ペア:

[(1, 61621749), (3, 20540583), (7, 8803107), (9, 6846861), (21, 2934369), (27, 2282287), (63, 978123), (189, 326041), (571, 107919), (1713, 35973), (3997, 15417), (5139, 11991)]