201978027

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 296058048

約数和(自身を除く): 94080021

約数列:

[1, 3, 9, 131, 163, 393, 489, 1051, 1179, 1467, 3153, 9459, 21353, 64059, 137681, 171313, 192177, 413043, 513939, 1239129, 1541817, 22442003, 67326009, 201978027]

約数ペア:

[(1, 201978027), (3, 67326009), (9, 22442003), (131, 1541817), (163, 1239129), (393, 513939), (489, 413043), (1051, 192177), (1179, 171313), (1467, 137681), (3153, 64059), (9459, 21353)]