81726201

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6547}}^1$

素因数の和:6645

約数の個数: 24

約数和(自身を含む): 125983520

約数和(自身を除く): 44257319

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 6547, 12483, 19641, 58923, 124393, 373179, 477931, 1119537, 1433793, 4301379, 9080689, 27242067, 81726201]

約数ペア:

[(1, 81726201), (3, 27242067), (9, 9080689), (19, 4301379), (57, 1433793), (73, 1119537), (171, 477931), (219, 373179), (657, 124393), (1387, 58923), (4161, 19641), (6547, 12483)]