287157069

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 437821560

約数和(自身を除く): 150664491

約数列:

[1, 3, 9, 27, 81, 113, 137, 229, 339, 411, 687, 1017, 1233, 2061, 3051, 3699, 6183, 9153, 11097, 15481, 18549, 25877, 31373, 46443, 77631, 94119, 139329, 232893, 282357, 417987, 698679, 847071, 1253961, 2096037, 2541213, 3545149, 10635447, 31906341, 95719023, 287157069]

約数ペア:

[(1, 287157069), (3, 95719023), (9, 31906341), (27, 10635447), (81, 3545149), (113, 2541213), (137, 2096037), (229, 1253961), (339, 847071), (411, 698679), (687, 417987), (1017, 282357), (1233, 232893), (2061, 139329), (3051, 94119), (3699, 77631), (6183, 46443), (9153, 31373), (11097, 25877), (15481, 18549)]