247834251

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{106321}}^1$

素因数の和:106371

約数の個数: 24

約数和(自身を含む): 420184544

約数和(自身を除く): 172350293

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 106321, 318963, 744247, 956889, 2232741, 3933877, 6698223, 11801631, 27537139, 35404893, 82611417, 247834251]

約数ペア:

[(1, 247834251), (3, 82611417), (7, 35404893), (9, 27537139), (21, 11801631), (37, 6698223), (63, 3933877), (111, 2232741), (259, 956889), (333, 744247), (777, 318963), (2331, 106321)]