81007839

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 136581120

約数和(自身を除く): 55573281

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 127, 153, 187, 379, 381, 561, 1137, 1143, 1397, 1683, 2159, 3411, 4169, 4191, 6443, 6477, 12507, 12573, 19329, 19431, 23749, 37521, 48133, 57987, 70873, 71247, 144399, 212619, 213741, 433197, 529463, 637857, 818261, 1588389, 2454783, 4765167, 7364349, 9000871, 27002613, 81007839]

約数ペア:

[(1, 81007839), (3, 27002613), (9, 9000871), (11, 7364349), (17, 4765167), (33, 2454783), (51, 1588389), (99, 818261), (127, 637857), (153, 529463), (187, 433197), (379, 213741), (381, 212619), (561, 144399), (1137, 71247), (1143, 70873), (1397, 57987), (1683, 48133), (2159, 37521), (3411, 23749), (4169, 19431), (4191, 19329), (6443, 12573), (6477, 12507)]