82780065

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 149619600

約数和(自身を除く): 66839535

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 229, 261, 277, 435, 687, 831, 1145, 1305, 1385, 2061, 2493, 3435, 4155, 6641, 8033, 10305, 12465, 19923, 24099, 33205, 40165, 59769, 63433, 72297, 99615, 120495, 190299, 298845, 317165, 361485, 570897, 951495, 1839557, 2854485, 5518671, 9197785, 16556013, 27593355, 82780065]

約数ペア:

[(1, 82780065), (3, 27593355), (5, 16556013), (9, 9197785), (15, 5518671), (29, 2854485), (45, 1839557), (87, 951495), (145, 570897), (229, 361485), (261, 317165), (277, 298845), (435, 190299), (687, 120495), (831, 99615), (1145, 72297), (1305, 63433), (1385, 59769), (2061, 40165), (2493, 33205), (3435, 24099), (4155, 19923), (6641, 12465), (8033, 10305)]