80380431

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 130825200

約数和(自身を除く): 50444769

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 783, 1539, 1653, 1801, 2349, 4959, 5403, 14877, 16209, 34219, 44631, 48627, 52229, 102657, 145881, 156687, 307971, 470061, 923913, 992351, 1410183, 2771739, 2977053, 4230549, 8931159, 26793477, 80380431]

約数ペア:

[(1, 80380431), (3, 26793477), (9, 8931159), (19, 4230549), (27, 2977053), (29, 2771739), (57, 1410183), (81, 992351), (87, 923913), (171, 470061), (261, 307971), (513, 156687), (551, 145881), (783, 102657), (1539, 52229), (1653, 48627), (1801, 44631), (2349, 34219), (4959, 16209), (5403, 14877)]