189933255

素因数分解:

$3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2591}}^1$

素因数の和:2789

約数の個数: 40

約数和(自身を含む): 342486144

約数和(自身を除く): 152552889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 181, 405, 543, 905, 1629, 2591, 2715, 4887, 7773, 8145, 12955, 14661, 23319, 24435, 38865, 69957, 73305, 116595, 209871, 349785, 468971, 1049355, 1406913, 2344855, 4220739, 7034565, 12662217, 21103695, 37986651, 63311085, 189933255]

約数ペア:

[(1, 189933255), (3, 63311085), (5, 37986651), (9, 21103695), (15, 12662217), (27, 7034565), (45, 4220739), (81, 2344855), (135, 1406913), (181, 1049355), (405, 468971), (543, 349785), (905, 209871), (1629, 116595), (2591, 73305), (2715, 69957), (4887, 38865), (7773, 24435), (8145, 23319), (12955, 14661)]