78892857

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 116221248

約数和(自身を除く): 37328391

約数列:

[1, 3, 9, 71, 213, 331, 373, 639, 993, 1119, 2979, 3357, 23501, 26483, 70503, 79449, 123463, 211509, 238347, 370389, 1111167, 8765873, 26297619, 78892857]

約数ペア:

[(1, 78892857), (3, 26297619), (9, 8765873), (71, 1111167), (213, 370389), (331, 238347), (373, 211509), (639, 123463), (993, 79449), (1119, 70503), (2979, 26483), (3357, 23501)]