1977327681

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{39847}}^1$

素因数の和:40013

約数の個数: 32

約数和(自身を含む): 3213342720

約数和(自身を除く): 1236015039

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 7089, 16541, 39847, 49623, 119541, 278929, 677399, 836787, 2032197, 4741793, 5538733, 14225379, 16616199, 38771131, 94158461, 116313393, 282475383, 659109227, 1977327681]

約数ペア:

[(1, 1977327681), (3, 659109227), (7, 282475383), (17, 116313393), (21, 94158461), (51, 38771131), (119, 16616199), (139, 14225379), (357, 5538733), (417, 4741793), (973, 2032197), (2363, 836787), (2919, 677399), (7089, 278929), (16541, 119541), (39847, 49623)]