723231

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 1151280

約数和(自身を除く): 428049

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 163, 261, 489, 493, 1467, 1479, 2771, 4437, 4727, 8313, 14181, 24939, 42543, 80359, 241077, 723231]

約数ペア:

[(1, 723231), (3, 241077), (9, 80359), (17, 42543), (29, 24939), (51, 14181), (87, 8313), (153, 4727), (163, 4437), (261, 2771), (489, 1479), (493, 1467)]