131001409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 173352960

約数和(自身を除く): 42351551

約数列:

[1, 7, 11, 19, 77, 133, 151, 209, 593, 1057, 1463, 1661, 2869, 4151, 6523, 11267, 11627, 20083, 31559, 45661, 78869, 89543, 123937, 220913, 626801, 867559, 984973, 1701317, 6894811, 11909219, 18714487, 131001409]

約数ペア:

[(1, 131001409), (7, 18714487), (11, 11909219), (19, 6894811), (77, 1701317), (133, 984973), (151, 867559), (209, 626801), (593, 220913), (1057, 123937), (1463, 89543), (1661, 78869), (2869, 45661), (4151, 31559), (6523, 20083), (11267, 11627)]