221279757

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2767}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 329502720

約数和(自身を除く): 108222963

約数列:

[1, 3, 19, 23, 57, 61, 69, 183, 437, 1159, 1311, 1403, 2767, 3477, 4209, 8301, 26657, 52573, 63641, 79971, 157719, 168787, 190923, 506361, 1209179, 3206953, 3627537, 3882101, 9620859, 11646303, 73759919, 221279757]

約数ペア:

[(1, 221279757), (3, 73759919), (19, 11646303), (23, 9620859), (57, 3882101), (61, 3627537), (69, 3206953), (183, 1209179), (437, 506361), (1159, 190923), (1311, 168787), (1403, 157719), (2767, 79971), (3477, 63641), (4209, 52573), (8301, 26657)]