211966557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7129}}^1$

素因数の和:7213

約数の個数: 32

約数和(自身を含む): 332657280

約数和(自身を除く): 120690723

約数列:

[1, 3, 11, 17, 33, 51, 53, 159, 187, 561, 583, 901, 1749, 2703, 7129, 9911, 21387, 29733, 78419, 121193, 235257, 363579, 377837, 1133511, 1333123, 3999369, 4156207, 6423229, 12468621, 19269687, 70655519, 211966557]

約数ペア:

[(1, 211966557), (3, 70655519), (11, 19269687), (17, 12468621), (33, 6423229), (51, 4156207), (53, 3999369), (159, 1333123), (187, 1133511), (561, 377837), (583, 363579), (901, 235257), (1749, 121193), (2703, 78419), (7129, 29733), (9911, 21387)]