27885711

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 45711360

約数和(自身を除く): 17825649

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1487, 2679, 4461, 6251, 10409, 18753, 28253, 31227, 69889, 84759, 197771, 209667, 489223, 593313, 1327891, 1467669, 3983673, 9295237, 27885711]

約数ペア:

[(1, 27885711), (3, 9295237), (7, 3983673), (19, 1467669), (21, 1327891), (47, 593313), (57, 489223), (133, 209667), (141, 197771), (329, 84759), (399, 69889), (893, 31227), (987, 28253), (1487, 18753), (2679, 10409), (4461, 6251)]