205714541739

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{398711}}^1$

素因数の和:399111

約数の個数: 32

約数和(自身を含む): 318459248640

約数和(自身を除く): 112744706901

約数列:

[1, 3, 7, 21, 79, 237, 311, 553, 933, 1659, 2177, 6531, 24569, 73707, 171983, 398711, 515949, 1196133, 2790977, 8372931, 31498169, 94494507, 123999121, 220487183, 371997363, 661461549, 867993847, 2603981541, 9795930559, 29387791677, 68571513913, 205714541739]

約数ペア:

[(1, 205714541739), (3, 68571513913), (7, 29387791677), (21, 9795930559), (79, 2603981541), (237, 867993847), (311, 661461549), (553, 371997363), (933, 220487183), (1659, 123999121), (2177, 94494507), (6531, 31498169), (24569, 8372931), (73707, 2790977), (171983, 1196133), (398711, 515949)]