212021055

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{77239}}^1$

素因数の和:77311

約数の個数: 24

約数和(自身を含む): 373532640

約数和(自身を除く): 161511585

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 77239, 231717, 386195, 695151, 1158585, 3475755, 4711579, 14134737, 23557895, 42404211, 70673685, 212021055]

約数ペア:

[(1, 212021055), (3, 70673685), (5, 42404211), (9, 23557895), (15, 14134737), (45, 4711579), (61, 3475755), (183, 1158585), (305, 695151), (549, 386195), (915, 231717), (2745, 77239)]