27431019

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 24146325

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1721, 1771, 2277, 5163, 5313, 12047, 15489, 15939, 18931, 36141, 39583, 56793, 108423, 118749, 132517, 170379, 277081, 356247, 397551, 435413, 831243, 1192653, 1306239, 2493729, 3047891, 3918717, 9143673, 27431019]

約数ペア:

[(1, 27431019), (3, 9143673), (7, 3918717), (9, 3047891), (11, 2493729), (21, 1306239), (23, 1192653), (33, 831243), (63, 435413), (69, 397551), (77, 356247), (99, 277081), (161, 170379), (207, 132517), (231, 118749), (253, 108423), (483, 56793), (693, 39583), (759, 36141), (1449, 18931), (1721, 15939), (1771, 15489), (2277, 12047), (5163, 5313)]