81532139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 91069440

約数和(自身を除く): 9537301

約数列:

[1, 13, 31, 307, 403, 659, 3991, 8567, 9517, 20429, 123721, 202313, 265577, 2630069, 6271703, 81532139]

約数ペア:

[(1, 81532139), (13, 6271703), (31, 2630069), (307, 265577), (403, 202313), (659, 123721), (3991, 20429), (8567, 9517)]