81387823

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 99532800

約数和(自身を除く): 18144977

約数列:

[1, 11, 17, 23, 127, 149, 187, 253, 391, 1397, 1639, 2159, 2533, 2921, 3427, 4301, 18923, 23749, 27863, 32131, 37697, 49657, 58259, 208153, 321691, 435229, 546227, 640849, 3538601, 4787519, 7398893, 81387823]

約数ペア:

[(1, 81387823), (11, 7398893), (17, 4787519), (23, 3538601), (127, 640849), (149, 546227), (187, 435229), (253, 321691), (391, 208153), (1397, 58259), (1639, 49657), (2159, 37697), (2533, 32131), (2921, 27863), (3427, 23749), (4301, 18923)]