139392987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 200928000

約数和(自身を除く): 61535013

約数列:

[1, 3, 19, 57, 59, 177, 181, 229, 543, 687, 1121, 3363, 3439, 4351, 10317, 10679, 13053, 13511, 32037, 40533, 41449, 124347, 202901, 256709, 608703, 770127, 787531, 2362593, 2445491, 7336473, 46464329, 139392987]

約数ペア:

[(1, 139392987), (3, 46464329), (19, 7336473), (57, 2445491), (59, 2362593), (177, 787531), (181, 770127), (229, 608703), (543, 256709), (687, 202901), (1121, 124347), (3363, 41449), (3439, 40533), (4351, 32037), (10317, 13511), (10679, 13053)]