27921159

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 47792640

約数和(自身を除く): 19871481

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1523, 2037, 2619, 4569, 6111, 10661, 13707, 18333, 31983, 41121, 95949, 147731, 287847, 443193, 1034117, 1329579, 3102351, 3988737, 9307053, 27921159]

約数ペア:

[(1, 27921159), (3, 9307053), (7, 3988737), (9, 3102351), (21, 1329579), (27, 1034117), (63, 443193), (97, 287847), (189, 147731), (291, 95949), (679, 41121), (873, 31983), (1523, 18333), (2037, 13707), (2619, 10661), (4569, 6111)]