278001

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 449280

約数和(自身を除く): 171279

約数列:

[1, 3, 9, 17, 23, 51, 69, 79, 153, 207, 237, 391, 711, 1173, 1343, 1817, 3519, 4029, 5451, 12087, 16353, 30889, 92667, 278001]

約数ペア:

[(1, 278001), (3, 92667), (9, 30889), (17, 16353), (23, 12087), (51, 5451), (69, 4029), (79, 3519), (153, 1817), (207, 1343), (237, 1173), (391, 711)]