81915581

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 97977600

約数和(自身を除く): 16062019

約数列:

[1, 11, 23, 41, 53, 149, 253, 451, 583, 943, 1219, 1639, 2173, 3427, 6109, 7897, 10373, 13409, 23903, 37697, 49979, 67199, 86867, 140507, 181631, 323777, 549769, 1545577, 1997941, 3561547, 7446871, 81915581]

約数ペア:

[(1, 81915581), (11, 7446871), (23, 3561547), (41, 1997941), (53, 1545577), (149, 549769), (253, 323777), (451, 181631), (583, 140507), (943, 86867), (1219, 67199), (1639, 49979), (2173, 37697), (3427, 23903), (6109, 13409), (7897, 10373)]