201222561

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 291548160

約数和(自身を除く): 90325599

約数列:

[1, 3, 23, 29, 69, 87, 227, 443, 667, 681, 1329, 2001, 5221, 6583, 10189, 12847, 15663, 19749, 30567, 38541, 100561, 151409, 295481, 301683, 454227, 886443, 2312903, 2916269, 6938709, 8748807, 67074187, 201222561]

約数ペア:

[(1, 201222561), (3, 67074187), (23, 8748807), (29, 6938709), (69, 2916269), (87, 2312903), (227, 886443), (443, 454227), (667, 301683), (681, 295481), (1329, 151409), (2001, 100561), (5221, 38541), (6583, 30567), (10189, 19749), (12847, 15663)]