71477259

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{499}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 115200000

約数和(自身を除く): 43722741

約数列:

[1, 3, 7, 19, 21, 57, 133, 359, 399, 499, 1077, 1497, 2513, 3493, 6821, 7539, 9481, 10479, 20463, 28443, 47747, 66367, 143241, 179141, 199101, 537423, 1253987, 3403679, 3761961, 10211037, 23825753, 71477259]

約数ペア:

[(1, 71477259), (3, 23825753), (7, 10211037), (19, 3761961), (21, 3403679), (57, 1253987), (133, 537423), (359, 199101), (399, 179141), (499, 143241), (1077, 66367), (1497, 47747), (2513, 28443), (3493, 20463), (6821, 10479), (7539, 9481)]