13608021

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4349}}^1$

素因数の和:4508

約数の個数: 16

約数和(自身を含む): 20880000

約数和(自身を除く): 7271979

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 4349, 13047, 30443, 91329, 648001, 1944003, 4536007, 13608021]

約数ペア:

[(1, 13608021), (3, 4536007), (7, 1944003), (21, 648001), (149, 91329), (447, 30443), (1043, 13047), (3129, 4349)]