31279677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4289}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 20612163

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 4289, 7293, 12867, 47179, 55757, 72913, 141537, 167271, 218739, 613327, 802043, 947869, 1839981, 2406129, 2843607, 10426559, 31279677]

約数ペア:

[(1, 31279677), (3, 10426559), (11, 2843607), (13, 2406129), (17, 1839981), (33, 947869), (39, 802043), (51, 613327), (143, 218739), (187, 167271), (221, 141537), (429, 72913), (561, 55757), (663, 47179), (2431, 12867), (4289, 7293)]