240072723

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{2447}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 378832896

約数和(自身を除く): 138760173

約数列:

[1, 3, 9, 11, 33, 99, 991, 2447, 2973, 7341, 8919, 10901, 22023, 26917, 32703, 80751, 98109, 242253, 2424977, 7274931, 21824793, 26674747, 80024241, 240072723]

約数ペア:

[(1, 240072723), (3, 80024241), (9, 26674747), (11, 21824793), (33, 7274931), (99, 2424977), (991, 242253), (2447, 98109), (2973, 80751), (7341, 32703), (8919, 26917), (10901, 22023)]