291421155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{9491}}^1$

素因数の和:9611

約数の個数: 32

約数和(自身を含む): 492065280

約数和(自身を除く): 200644125

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 1335, 2047, 6141, 9491, 10235, 28473, 30705, 47455, 142365, 218293, 654879, 844699, 1091465, 2534097, 3274395, 4223495, 12670485, 19428077, 58284231, 97140385, 291421155]

約数ペア:

[(1, 291421155), (3, 97140385), (5, 58284231), (15, 19428077), (23, 12670485), (69, 4223495), (89, 3274395), (115, 2534097), (267, 1091465), (345, 844699), (445, 654879), (1335, 218293), (2047, 142365), (6141, 47455), (9491, 30705), (10235, 28473)]