161794995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2591}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 271724544

約数和(自身を除く): 109929549

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 905, 2591, 2715, 4163, 7773, 12489, 12955, 20815, 38865, 59593, 62445, 178779, 297965, 468971, 893895, 1406913, 2344855, 7034565, 10786333, 32358999, 53931665, 161794995]

約数ペア:

[(1, 161794995), (3, 53931665), (5, 32358999), (15, 10786333), (23, 7034565), (69, 2344855), (115, 1406913), (181, 893895), (345, 468971), (543, 297965), (905, 178779), (2591, 62445), (2715, 59593), (4163, 38865), (7773, 20815), (12489, 12955)]