120268281

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 186796800

約数和(自身を除く): 66528519

約数列:

[1, 3, 7, 21, 89, 229, 267, 281, 623, 687, 843, 1603, 1869, 1967, 4809, 5901, 20381, 25009, 61143, 64349, 75027, 142667, 175063, 193047, 428001, 450443, 525189, 1351329, 5727061, 17181183, 40089427, 120268281]

約数ペア:

[(1, 120268281), (3, 40089427), (7, 17181183), (21, 5727061), (89, 1351329), (229, 525189), (267, 450443), (281, 428001), (623, 193047), (687, 175063), (843, 142667), (1603, 75027), (1869, 64349), (1967, 61143), (4809, 25009), (5901, 20381)]