1620879

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 2459520

約数和(自身を除く): 838641

約数列:

[1, 3, 13, 23, 39, 69, 139, 169, 299, 417, 507, 897, 1807, 3197, 3887, 5421, 9591, 11661, 23491, 41561, 70473, 124683, 540293, 1620879]

約数ペア:

[(1, 1620879), (3, 540293), (13, 124683), (23, 70473), (39, 41561), (69, 23491), (139, 11661), (169, 9591), (299, 5421), (417, 3887), (507, 3197), (897, 1807)]