2197245

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 3646944

約数和(自身を除く): 1449699

約数列:

[1, 3, 5, 15, 37, 107, 111, 185, 321, 535, 555, 1369, 1605, 3959, 4107, 6845, 11877, 19795, 20535, 59385, 146483, 439449, 732415, 2197245]

約数ペア:

[(1, 2197245), (3, 732415), (5, 439449), (15, 146483), (37, 59385), (107, 20535), (111, 19795), (185, 11877), (321, 6845), (535, 4107), (555, 3959), (1369, 1605)]