2687139

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 5084352

約数和(自身を除く): 2397213

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 193, 221, 273, 357, 579, 663, 819, 1071, 1351, 1547, 1737, 1989, 2509, 3281, 4053, 4641, 7527, 9843, 12159, 13923, 17563, 22581, 22967, 29529, 42653, 52689, 68901, 127959, 158067, 206703, 298571, 383877, 895713, 2687139]

約数ペア:

[(1, 2687139), (3, 895713), (7, 383877), (9, 298571), (13, 206703), (17, 158067), (21, 127959), (39, 68901), (51, 52689), (63, 42653), (91, 29529), (117, 22967), (119, 22581), (153, 17563), (193, 13923), (221, 12159), (273, 9843), (357, 7527), (579, 4641), (663, 4053), (819, 3281), (1071, 2509), (1351, 1989), (1547, 1737)]