31430973

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 17920707

約数列:

[1, 3, 7, 21, 67, 89, 201, 251, 267, 469, 623, 753, 1407, 1757, 1869, 5271, 5963, 16817, 17889, 22339, 41741, 50451, 67017, 117719, 125223, 156373, 353157, 469119, 1496713, 4490139, 10476991, 31430973]

約数ペア:

[(1, 31430973), (3, 10476991), (7, 4490139), (21, 1496713), (67, 469119), (89, 353157), (201, 156373), (251, 125223), (267, 117719), (469, 67017), (623, 50451), (753, 41741), (1407, 22339), (1757, 17889), (1869, 16817), (5271, 5963)]