81432029

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 102021120

約数和(自身を除く): 20589091

約数列:

[1, 7, 23, 29, 107, 161, 163, 203, 667, 749, 1141, 2461, 3103, 3749, 4669, 4727, 17227, 17441, 21721, 26243, 33089, 71369, 108721, 122087, 401143, 499583, 505789, 761047, 2808001, 3540523, 11633147, 81432029]

約数ペア:

[(1, 81432029), (7, 11633147), (23, 3540523), (29, 2808001), (107, 761047), (161, 505789), (163, 499583), (203, 401143), (667, 122087), (749, 108721), (1141, 71369), (2461, 33089), (3103, 26243), (3749, 21721), (4669, 17441), (4727, 17227)]