815145135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{18181}}^1$

素因数の和:18264

約数の個数: 48

約数和(自身を含む): 1542124512

約数和(自身を除く): 726979377

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 735, 915, 1281, 2135, 2989, 6405, 8967, 14945, 18181, 44835, 54543, 90905, 127267, 272715, 381801, 636335, 890869, 1109041, 1909005, 2672607, 3327123, 4454345, 5545205, 7763287, 13363035, 16635615, 23289861, 38816435, 54343009, 116449305, 163029027, 271715045, 815145135]

約数ペア:

[(1, 815145135), (3, 271715045), (5, 163029027), (7, 116449305), (15, 54343009), (21, 38816435), (35, 23289861), (49, 16635615), (61, 13363035), (105, 7763287), (147, 5545205), (183, 4454345), (245, 3327123), (305, 2672607), (427, 1909005), (735, 1109041), (915, 890869), (1281, 636335), (2135, 381801), (2989, 272715), (6405, 127267), (8967, 90905), (14945, 54543), (18181, 44835)]