31023557781

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1\times {\mathrm{971}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 42586943616

約数和(自身を除く): 11563385835

約数列:

[1, 3, 41, 123, 421, 617, 971, 1263, 1851, 2913, 17261, 25297, 39811, 51783, 75891, 119433, 259757, 408791, 599107, 779271, 1226373, 1797321, 10650037, 16760431, 24563387, 31950111, 50281293, 73690161, 252224047, 756672141, 10341185927, 31023557781]

約数ペア:

[(1, 31023557781), (3, 10341185927), (41, 756672141), (123, 252224047), (421, 73690161), (617, 50281293), (971, 31950111), (1263, 24563387), (1851, 16760431), (2913, 10650037), (17261, 1797321), (25297, 1226373), (39811, 779271), (51783, 599107), (75891, 408791), (119433, 259757)]