1557901947

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{21929}}^1$

素因数の和:22155

約数の個数: 32

約数和(自身を含む): 2526336000

約数和(自身を除く): 968434053

約数列:

[1, 3, 7, 17, 21, 51, 119, 199, 357, 597, 1393, 3383, 4179, 10149, 21929, 23681, 65787, 71043, 153503, 372793, 460509, 1118379, 2609551, 4363871, 7828653, 13091613, 30547097, 74185807, 91641291, 222557421, 519300649, 1557901947]

約数ペア:

[(1, 1557901947), (3, 519300649), (7, 222557421), (17, 91641291), (21, 74185807), (51, 30547097), (119, 13091613), (199, 7828653), (357, 4363871), (597, 2609551), (1393, 1118379), (3383, 460509), (4179, 372793), (10149, 153503), (21929, 71043), (23681, 65787)]