247981095

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2179}}^1$

素因数の和:2477

約数の個数: 40

約数和(自身を含む): 446315760

約数和(自身を除く): 198334665

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 843, 1405, 2179, 2529, 4215, 6537, 7587, 10895, 12645, 19611, 22761, 32685, 37935, 58833, 98055, 113805, 176499, 294165, 612299, 882495, 1836897, 3061495, 5510691, 9184485, 16532073, 27553455, 49596219, 82660365, 247981095]

約数ペア:

[(1, 247981095), (3, 82660365), (5, 49596219), (9, 27553455), (15, 16532073), (27, 9184485), (45, 5510691), (81, 3061495), (135, 1836897), (281, 882495), (405, 612299), (843, 294165), (1405, 176499), (2179, 113805), (2529, 98055), (4215, 58833), (6537, 37935), (7587, 32685), (10895, 22761), (12645, 19611)]