81274089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 120972544

約数和(自身を除く): 39698455

約数列:

[1, 3, 13, 37, 39, 111, 151, 373, 453, 481, 1119, 1443, 1963, 4849, 5587, 5889, 13801, 14547, 16761, 41403, 56323, 72631, 168969, 179413, 217893, 538239, 732199, 2083951, 2196597, 6251853, 27091363, 81274089]

約数ペア:

[(1, 81274089), (3, 27091363), (13, 6251853), (37, 2196597), (39, 2083951), (111, 732199), (151, 538239), (373, 217893), (453, 179413), (481, 168969), (1119, 72631), (1443, 56323), (1963, 41403), (4849, 16761), (5587, 14547), (5889, 13801)]