81409209

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1399}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 132249600

約数和(自身を除く): 50840391

約数列:

[1, 3, 7, 17, 21, 51, 119, 163, 357, 489, 1141, 1399, 2771, 3423, 4197, 8313, 9793, 19397, 23783, 29379, 58191, 71349, 166481, 228037, 499443, 684111, 1596259, 3876629, 4788777, 11629887, 27136403, 81409209]

約数ペア:

[(1, 81409209), (3, 27136403), (7, 11629887), (17, 4788777), (21, 3876629), (51, 1596259), (119, 684111), (163, 499443), (357, 228037), (489, 166481), (1141, 71349), (1399, 58191), (2771, 29379), (3423, 23783), (4197, 19397), (8313, 9793)]