280168317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{217691}}^1$

素因数の和:217721

約数の個数: 24

約数和(自身を含む): 475439328

約数和(自身を除く): 195271011

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 217691, 653073, 1959219, 2394601, 2829983, 7183803, 8489949, 21551409, 25469847, 31129813, 93389439, 280168317]

約数ペア:

[(1, 280168317), (3, 93389439), (9, 31129813), (11, 25469847), (13, 21551409), (33, 8489949), (39, 7183803), (99, 2829983), (117, 2394601), (143, 1959219), (429, 653073), (1287, 217691)]