31195983

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 51520000

約数和(自身を除く): 20324017

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 499, 687, 1497, 1603, 2977, 3493, 4809, 6487, 8931, 10479, 19461, 20839, 45409, 62517, 114271, 136227, 342813, 799897, 1485523, 2399691, 4456569, 10398661, 31195983]

約数ペア:

[(1, 31195983), (3, 10398661), (7, 4456569), (13, 2399691), (21, 1485523), (39, 799897), (91, 342813), (229, 136227), (273, 114271), (499, 62517), (687, 45409), (1497, 20839), (1603, 19461), (2977, 10479), (3493, 8931), (4809, 6487)]