12920691

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6343}}^1$

素因数の和:6450

約数の個数: 16

約数和(自身を含む): 19894784

約数和(自身を除く): 6974093

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 6343, 19029, 44401, 133203, 615271, 1845813, 4306897, 12920691]

約数ペア:

[(1, 12920691), (3, 4306897), (7, 1845813), (21, 615271), (97, 133203), (291, 44401), (679, 19029), (2037, 6343)]