71407947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3323}}^1$

素因数の和:3387

約数の個数: 32

約数和(自身を含む): 111686400

約数和(自身を除く): 40278453

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1653, 3323, 7163, 9969, 21489, 43199, 63137, 96367, 129597, 189411, 289101, 820781, 1252771, 1830973, 2462343, 3758313, 5492919, 23802649, 71407947]

約数ペア:

[(1, 71407947), (3, 23802649), (13, 5492919), (19, 3758313), (29, 2462343), (39, 1830973), (57, 1252771), (87, 820781), (247, 289101), (377, 189411), (551, 129597), (741, 96367), (1131, 63137), (1653, 43199), (3323, 21489), (7163, 9969)]