239913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 386880

約数和(自身を除く): 146967

約数列:

[1, 3, 9, 19, 23, 57, 61, 69, 171, 183, 207, 437, 549, 1159, 1311, 1403, 3477, 3933, 4209, 10431, 12627, 26657, 79971, 239913]

約数ペア:

[(1, 239913), (3, 79971), (9, 26657), (19, 12627), (23, 10431), (57, 4209), (61, 3933), (69, 3477), (171, 1403), (183, 1311), (207, 1159), (437, 549)]