246890973

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{5209}}^1$

素因数の和:5317

約数の個数: 32

約数和(自身を含む): 392792320

約数和(自身を除く): 145901347

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 777, 1281, 2257, 5209, 6771, 15627, 15799, 36463, 47397, 109389, 192733, 317749, 578199, 953247, 1349131, 2224243, 4047393, 6672729, 11756713, 35270139, 82296991, 246890973]

約数ペア:

[(1, 246890973), (3, 82296991), (7, 35270139), (21, 11756713), (37, 6672729), (61, 4047393), (111, 2224243), (183, 1349131), (259, 953247), (427, 578199), (777, 317749), (1281, 192733), (2257, 109389), (5209, 47397), (6771, 36463), (15627, 15799)]