30878145

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1942

約数の個数: 32

約数和(自身を含む): 55357440

約数和(自身を除く): 24479295

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1143, 1801, 1905, 3429, 5403, 5715, 9005, 16209, 17145, 27015, 48627, 81045, 228727, 243135, 686181, 1143635, 2058543, 3430905, 6175629, 10292715, 30878145]

約数ペア:

[(1, 30878145), (3, 10292715), (5, 6175629), (9, 3430905), (15, 2058543), (27, 1143635), (45, 686181), (127, 243135), (135, 228727), (381, 81045), (635, 48627), (1143, 27015), (1801, 17145), (1905, 16209), (3429, 9005), (5403, 5715)]