211452009

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{4421}}^1$

素因数の和:4680

約数の個数: 16

約数和(自身を含む): 286545600

約数和(自身を除く): 75093591

約数列:

[1, 3, 107, 149, 321, 447, 4421, 13263, 15943, 47829, 473047, 658729, 1419141, 1976187, 70484003, 211452009]

約数ペア:

[(1, 211452009), (3, 70484003), (107, 1976187), (149, 1419141), (321, 658729), (447, 473047), (4421, 47829), (13263, 15943)]