1293309

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2021760

約数和(自身を除く): 728451

約数列:

[1, 3, 9, 17, 51, 79, 107, 153, 237, 321, 711, 963, 1343, 1819, 4029, 5457, 8453, 12087, 16371, 25359, 76077, 143701, 431103, 1293309]

約数ペア:

[(1, 1293309), (3, 431103), (9, 143701), (17, 76077), (51, 25359), (79, 16371), (107, 12087), (153, 8453), (237, 5457), (321, 4029), (711, 1819), (963, 1343)]