12847857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 20336640

約数和(自身を除く): 7488783

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 661, 1023, 1767, 1983, 6479, 7271, 12559, 19437, 20491, 21813, 37677, 61473, 138149, 225401, 389329, 414447, 676203, 1167987, 4282619, 12847857]

約数ペア:

[(1, 12847857), (3, 4282619), (11, 1167987), (19, 676203), (31, 414447), (33, 389329), (57, 225401), (93, 138149), (209, 61473), (341, 37677), (589, 21813), (627, 20491), (661, 19437), (1023, 12559), (1767, 7271), (1983, 6479)]