2825389

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 18

約数和(自身を含む): 3467310

約数和(自身を除く): 641921

約数列:

[1, 7, 23, 49, 109, 161, 529, 763, 1127, 2507, 3703, 5341, 17549, 25921, 57661, 122843, 403627, 2825389]

約数ペア:

[(1, 2825389), (7, 403627), (23, 122843), (49, 57661), (109, 25921), (161, 17549), (529, 5341), (763, 3703), (1127, 2507)]