78969879

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{22441}}^1$

素因数の和:22487

約数の個数: 24

約数和(自身を含む): 126034272

約数和(自身を除く): 47064393

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 22441, 67323, 201969, 381497, 516143, 1144491, 1548429, 3433473, 4645287, 8774431, 26323293, 78969879]

約数ペア:

[(1, 78969879), (3, 26323293), (9, 8774431), (17, 4645287), (23, 3433473), (51, 1548429), (69, 1144491), (153, 516143), (207, 381497), (391, 201969), (1173, 67323), (3519, 22441)]