215839485

素因数分解:

$3^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1019}}^1$

素因数の和:1559

約数の個数: 40

約数和(自身を含む): 388032480

約数和(自身を除く): 172192995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 523, 1019, 1569, 2615, 3057, 4707, 5095, 7845, 9171, 14121, 15285, 23535, 27513, 42363, 45855, 70605, 82539, 137565, 211815, 412695, 532937, 1598811, 2664685, 4796433, 7994055, 14389299, 23982165, 43167897, 71946495, 215839485]

約数ペア:

[(1, 215839485), (3, 71946495), (5, 43167897), (9, 23982165), (15, 14389299), (27, 7994055), (45, 4796433), (81, 2664685), (135, 1598811), (405, 532937), (523, 412695), (1019, 211815), (1569, 137565), (2615, 82539), (3057, 70605), (4707, 45855), (5095, 42363), (7845, 27513), (9171, 23535), (14121, 15285)]