8712921

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1531}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 13334528

約数和(自身を除く): 4621607

約数列:

[1, 3, 7, 21, 271, 813, 1531, 1897, 4593, 5691, 10717, 32151, 414901, 1244703, 2904307, 8712921]

約数ペア:

[(1, 8712921), (3, 2904307), (7, 1244703), (21, 414901), (271, 32151), (813, 10717), (1531, 5691), (1897, 4593)]