28948101

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 47996928

約数和(自身を除く): 19048827

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 991, 1391, 2247, 2973, 4173, 6937, 9737, 12883, 20811, 29211, 38649, 90181, 106037, 270543, 318111, 742259, 1378481, 2226777, 4135443, 9649367, 28948101]

約数ペア:

[(1, 28948101), (3, 9649367), (7, 4135443), (13, 2226777), (21, 1378481), (39, 742259), (91, 318111), (107, 270543), (273, 106037), (321, 90181), (749, 38649), (991, 29211), (1391, 20811), (2247, 12883), (2973, 9737), (4173, 6937)]