201420405

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{28151}}^1$

素因数の和:28218

約数の個数: 32

約数和(自身を含む): 364849920

約数和(自身を除く): 163429515

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 28151, 84453, 140755, 253359, 422265, 760077, 1266795, 1492003, 3800385, 4476009, 7460015, 13428027, 22380045, 40284081, 67140135, 201420405]

約数ペア:

[(1, 201420405), (3, 67140135), (5, 40284081), (9, 22380045), (15, 13428027), (27, 7460015), (45, 4476009), (53, 3800385), (135, 1492003), (159, 1266795), (265, 760077), (477, 422265), (795, 253359), (1431, 140755), (2385, 84453), (7155, 28151)]