72988167

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 115605504

約数和(自身を除く): 42617337

約数列:

[1, 3, 7, 21, 31, 93, 191, 217, 573, 587, 651, 1337, 1761, 4011, 4109, 5921, 12327, 17763, 18197, 41447, 54591, 112117, 124341, 127379, 336351, 382137, 784819, 2354457, 3475627, 10426881, 24329389, 72988167]

約数ペア:

[(1, 72988167), (3, 24329389), (7, 10426881), (21, 3475627), (31, 2354457), (93, 784819), (191, 382137), (217, 336351), (573, 127379), (587, 124341), (651, 112117), (1337, 54591), (1761, 41447), (4011, 18197), (4109, 17763), (5921, 12327)]