7212471

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 11819520

約数和(自身を除く): 4607049

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 227, 267, 357, 623, 681, 1513, 1589, 1869, 3859, 4539, 4767, 10591, 11577, 20203, 27013, 31773, 60609, 81039, 141421, 343451, 424263, 1030353, 2404157, 7212471]

約数ペア:

[(1, 7212471), (3, 2404157), (7, 1030353), (17, 424263), (21, 343451), (51, 141421), (89, 81039), (119, 60609), (227, 31773), (267, 27013), (357, 20203), (623, 11577), (681, 10591), (1513, 4767), (1589, 4539), (1869, 3859)]