31214703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 50168160

約数和(自身を除く): 18953457

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 89, 221, 267, 299, 391, 529, 663, 897, 1157, 1173, 1513, 1587, 2047, 3471, 4539, 5083, 6141, 6877, 8993, 15249, 19669, 20631, 26611, 26979, 34799, 47081, 59007, 79833, 104397, 116909, 141243, 350727, 452387, 612053, 800377, 1357161, 1836159, 2401131, 10404901, 31214703]

約数ペア:

[(1, 31214703), (3, 10404901), (13, 2401131), (17, 1836159), (23, 1357161), (39, 800377), (51, 612053), (69, 452387), (89, 350727), (221, 141243), (267, 116909), (299, 104397), (391, 79833), (529, 59007), (663, 47081), (897, 34799), (1157, 26979), (1173, 26611), (1513, 20631), (1587, 19669), (2047, 15249), (3471, 8993), (4539, 6877), (5083, 6141)]