1961631

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 1425249

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 107, 189, 291, 321, 679, 749, 873, 963, 2037, 2247, 2619, 2889, 6111, 6741, 10379, 18333, 20223, 31137, 72653, 93411, 217959, 280233, 653877, 1961631]

約数ペア:

[(1, 1961631), (3, 653877), (7, 280233), (9, 217959), (21, 93411), (27, 72653), (63, 31137), (97, 20223), (107, 18333), (189, 10379), (291, 6741), (321, 6111), (679, 2889), (749, 2619), (873, 2247), (963, 2037)]