918897

素因数分解:

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

素因数の和:90

約数の個数: 32

約数和(自身を含む): 1536000

約数和(自身を除く): 617103

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 329, 343, 399, 893, 931, 987, 1029, 2303, 2679, 2793, 6251, 6517, 6909, 16121, 18753, 19551, 43757, 48363, 131271, 306299, 918897]

約数ペア:

[(1, 918897), (3, 306299), (7, 131271), (19, 48363), (21, 43757), (47, 19551), (49, 18753), (57, 16121), (133, 6909), (141, 6517), (147, 6251), (329, 2793), (343, 2679), (399, 2303), (893, 1029), (931, 987)]