15856659

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 29702400

約数和(自身を除く): 13845741

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1019, 1197, 1729, 2223, 3057, 5187, 7133, 9171, 13247, 15561, 19361, 21399, 39741, 58083, 64197, 92729, 119223, 135527, 174249, 251693, 278187, 406581, 755079, 834561, 1219743, 1761851, 2265237, 5285553, 15856659]

約数ペア:

[(1, 15856659), (3, 5285553), (7, 2265237), (9, 1761851), (13, 1219743), (19, 834561), (21, 755079), (39, 406581), (57, 278187), (63, 251693), (91, 174249), (117, 135527), (133, 119223), (171, 92729), (247, 64197), (273, 58083), (399, 39741), (741, 21399), (819, 19361), (1019, 15561), (1197, 13247), (1729, 9171), (2223, 7133), (3057, 5187)]