28176783

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 38528256

約数和(自身を除く): 10351473

約数列:

[1, 3, 67, 103, 201, 309, 1361, 4083, 6901, 20703, 91187, 140183, 273561, 420549, 9392261, 28176783]

約数ペア:

[(1, 28176783), (3, 9392261), (67, 420549), (103, 273561), (201, 140183), (309, 91187), (1361, 20703), (4083, 6901)]