81625347

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 128943360

約数和(自身を除く): 47318013

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 459, 489, 1091, 1467, 2771, 3273, 4401, 8313, 9819, 18547, 24939, 29457, 55641, 74817, 166923, 177833, 500769, 533499, 1600497, 3023161, 4801491, 9069483, 27208449, 81625347]

約数ペア:

[(1, 81625347), (3, 27208449), (9, 9069483), (17, 4801491), (27, 3023161), (51, 1600497), (153, 533499), (163, 500769), (459, 177833), (489, 166923), (1091, 74817), (1467, 55641), (2771, 29457), (3273, 24939), (4401, 18547), (8313, 9819)]