1900421271

素因数分解:

$3^4\times 7^1\times {\mathrm{751}}^1\times {\mathrm{4463}}^1$

素因数の和:5233

約数の個数: 40

約数和(自身を含む): 3249506304

約数和(自身を除く): 1349085033

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 751, 2253, 4463, 5257, 6759, 13389, 15771, 20277, 31241, 40167, 47313, 60831, 93723, 120501, 141939, 281169, 361503, 425817, 843507, 2530521, 3351713, 10055139, 23461991, 30165417, 70385973, 90496251, 211157919, 271488753, 633473757, 1900421271]

約数ペア:

[(1, 1900421271), (3, 633473757), (7, 271488753), (9, 211157919), (21, 90496251), (27, 70385973), (63, 30165417), (81, 23461991), (189, 10055139), (567, 3351713), (751, 2530521), (2253, 843507), (4463, 425817), (5257, 361503), (6759, 281169), (13389, 141939), (15771, 120501), (20277, 93723), (31241, 60831), (40167, 47313)]