15808779

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 28154880

約数和(自身を除く): 12346101

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 281, 329, 399, 423, 843, 893, 987, 1197, 1967, 2529, 2679, 2961, 5339, 5901, 6251, 8037, 13207, 16017, 17703, 18753, 37373, 39621, 48051, 56259, 92449, 112119, 118863, 250933, 277347, 336357, 752799, 832041, 1756531, 2258397, 5269593, 15808779]

約数ペア:

[(1, 15808779), (3, 5269593), (7, 2258397), (9, 1756531), (19, 832041), (21, 752799), (47, 336357), (57, 277347), (63, 250933), (133, 118863), (141, 112119), (171, 92449), (281, 56259), (329, 48051), (399, 39621), (423, 37373), (843, 18753), (893, 17703), (987, 16017), (1197, 13207), (1967, 8037), (2529, 6251), (2679, 5901), (2961, 5339)]