391330251

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{58679}}^1$

素因数の和:58720

約数の個数: 32

約数和(自身を含む): 657216000

約数和(自身を除く): 265885749

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 58679, 176037, 528111, 762827, 1114901, 1584333, 2288481, 3344703, 6865443, 10034109, 14493713, 20596329, 30102327, 43481139, 130443417, 391330251]

約数ペア:

[(1, 391330251), (3, 130443417), (9, 43481139), (13, 30102327), (19, 20596329), (27, 14493713), (39, 10034109), (57, 6865443), (117, 3344703), (171, 2288481), (247, 1584333), (351, 1114901), (513, 762827), (741, 528111), (2223, 176037), (6669, 58679)]