78288921

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 115440000

約数和(自身を除く): 37151079

約数列:

[1, 3, 9, 79, 149, 237, 447, 711, 739, 1341, 2217, 6651, 11771, 35313, 58381, 105939, 110111, 175143, 330333, 525429, 990999, 8698769, 26096307, 78288921]

約数ペア:

[(1, 78288921), (3, 26096307), (9, 8698769), (79, 990999), (149, 525429), (237, 330333), (447, 175143), (711, 110111), (739, 105939), (1341, 58381), (2217, 35313), (6651, 11771)]