72681973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 95191040

約数和(自身を除く): 22509067

約数列:

[1, 7, 13, 19, 91, 127, 133, 247, 331, 889, 1651, 1729, 2317, 2413, 4303, 6289, 11557, 16891, 30121, 31369, 42037, 44023, 81757, 219583, 294259, 546481, 572299, 798703, 3825367, 5590921, 10383139, 72681973]

約数ペア:

[(1, 72681973), (7, 10383139), (13, 5590921), (19, 3825367), (91, 798703), (127, 572299), (133, 546481), (247, 294259), (331, 219583), (889, 81757), (1651, 44023), (1729, 42037), (2317, 31369), (2413, 30121), (4303, 16891), (6289, 11557)]