81111261

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 137434752

約数和(自身を除く): 56323491

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 137, 231, 233, 363, 411, 699, 847, 959, 1507, 1631, 2541, 2563, 2877, 4521, 4893, 7689, 10549, 16577, 17941, 28193, 31647, 31921, 49731, 53823, 84579, 95763, 116039, 197351, 223447, 348117, 351131, 592053, 670341, 1053393, 2457917, 3862441, 7373751, 11587323, 27037087, 81111261]

約数ペア:

[(1, 81111261), (3, 27037087), (7, 11587323), (11, 7373751), (21, 3862441), (33, 2457917), (77, 1053393), (121, 670341), (137, 592053), (231, 351131), (233, 348117), (363, 223447), (411, 197351), (699, 116039), (847, 95763), (959, 84579), (1507, 53823), (1631, 49731), (2541, 31921), (2563, 31647), (2877, 28193), (4521, 17941), (4893, 16577), (7689, 10549)]