198116265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1697}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 326342016

約数和(自身を除く): 128225751

約数列:

[1, 3, 5, 15, 43, 129, 181, 215, 543, 645, 905, 1697, 2715, 5091, 7783, 8485, 23349, 25455, 38915, 72971, 116745, 218913, 307157, 364855, 921471, 1094565, 1535785, 4607355, 13207751, 39623253, 66038755, 198116265]

約数ペア:

[(1, 198116265), (3, 66038755), (5, 39623253), (15, 13207751), (43, 4607355), (129, 1535785), (181, 1094565), (215, 921471), (543, 364855), (645, 307157), (905, 218913), (1697, 116745), (2715, 72971), (5091, 38915), (7783, 25455), (8485, 23349)]