20131293

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 33945856

約数和(自身を除く): 13814563

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1993, 3367, 5979, 10101, 13951, 25909, 41853, 73741, 77727, 181363, 221223, 516187, 544089, 958633, 1548561, 2875899, 6710431, 20131293]

約数ペア:

[(1, 20131293), (3, 6710431), (7, 2875899), (13, 1548561), (21, 958633), (37, 544089), (39, 516187), (91, 221223), (111, 181363), (259, 77727), (273, 73741), (481, 41853), (777, 25909), (1443, 13951), (1993, 10101), (3367, 5979)]