81687235

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{38261}}^1$

素因数の和:38334

約数の個数: 16

約数和(自身を含む): 113867712

約数和(自身を除く): 32180477

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 38261, 191305, 267827, 1339135, 2333921, 11669605, 16337447, 81687235]

約数ペア:

[(1, 81687235), (5, 16337447), (7, 11669605), (35, 2333921), (61, 1339135), (305, 267827), (427, 191305), (2135, 38261)]