178897407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 272670720

約数和(自身を除く): 93773313

約数列:

[1, 3, 13, 19, 39, 57, 127, 247, 381, 741, 1651, 1901, 2413, 4953, 5703, 7239, 24713, 31369, 36119, 74139, 94107, 108357, 241427, 469547, 724281, 1408641, 3138551, 4587113, 9415653, 13761339, 59632469, 178897407]

約数ペア:

[(1, 178897407), (3, 59632469), (13, 13761339), (19, 9415653), (39, 4587113), (57, 3138551), (127, 1408641), (247, 724281), (381, 469547), (741, 241427), (1651, 108357), (1901, 94107), (2413, 74139), (4953, 36119), (5703, 31369), (7239, 24713)]