208755711

素因数分解:

$3^7\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 319170240

約数和(自身を除く): 110414529

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 729, 1431, 1801, 2187, 4293, 5403, 12879, 16209, 38637, 48627, 95453, 115911, 145881, 286359, 437643, 859077, 1312929, 2577231, 3938787, 7731693, 23195079, 69585237, 208755711]

約数ペア:

[(1, 208755711), (3, 69585237), (9, 23195079), (27, 7731693), (53, 3938787), (81, 2577231), (159, 1312929), (243, 859077), (477, 437643), (729, 286359), (1431, 145881), (1801, 115911), (2187, 95453), (4293, 48627), (5403, 38637), (12879, 16209)]