55228131

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12347}}^1$

素因数の和:12431

約数の個数: 24

約数和(自身を含む): 92461824

約数和(自身を除く): 37233693

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 12347, 37041, 86429, 111123, 259287, 777861, 876637, 2629911, 6136459, 7889733, 18409377, 55228131]

約数ペア:

[(1, 55228131), (3, 18409377), (7, 7889733), (9, 6136459), (21, 2629911), (63, 876637), (71, 777861), (213, 259287), (497, 111123), (639, 86429), (1491, 37041), (4473, 12347)]