20121255819

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1097543}}^1$

素因数の和:1097656

約数の個数: 32

約数和(自身を含む): 34418979840

約数和(自身を除く): 14297724021

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 2037, 2619, 6111, 18333, 1097543, 3292629, 7682801, 9877887, 23048403, 29633661, 69145209, 106461671, 207435627, 319385013, 745231697, 958155039, 2235695091, 2874465117, 6707085273, 20121255819]

約数ペア:

[(1, 20121255819), (3, 6707085273), (7, 2874465117), (9, 2235695091), (21, 958155039), (27, 745231697), (63, 319385013), (97, 207435627), (189, 106461671), (291, 69145209), (679, 29633661), (873, 23048403), (2037, 9877887), (2619, 7682801), (6111, 3292629), (18333, 1097543)]