66997945

素因数分解:

$5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1811}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 94195008

約数和(自身を除く): 27197063

約数列:

[1, 5, 7, 35, 49, 151, 245, 755, 1057, 1811, 5285, 7399, 9055, 12677, 36995, 63385, 88739, 273461, 443695, 1367305, 1914227, 9571135, 13399589, 66997945]

約数ペア:

[(1, 66997945), (5, 13399589), (7, 9571135), (35, 1914227), (49, 1367305), (151, 443695), (245, 273461), (755, 88739), (1057, 63385), (1811, 36995), (5285, 12677), (7399, 9055)]