72031791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 108928512

約数和(自身を除く): 36896721

約数列:

[1, 3, 13, 23, 39, 69, 131, 299, 393, 613, 897, 1703, 1839, 3013, 5109, 7969, 9039, 14099, 23907, 39169, 42297, 80303, 117507, 183287, 240909, 549861, 1043939, 1846969, 3131817, 5540907, 24010597, 72031791]

約数ペア:

[(1, 72031791), (3, 24010597), (13, 5540907), (23, 3131817), (39, 1846969), (69, 1043939), (131, 549861), (299, 240909), (393, 183287), (613, 117507), (897, 80303), (1703, 42297), (1839, 39169), (3013, 23907), (5109, 14099), (7969, 9039)]