201997455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{64433}}^1$

素因数の和:64471

約数の個数: 32

約数和(自身を含む): 371139840

約数和(自身を除く): 169142385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 64433, 193299, 322165, 708763, 966495, 1224227, 2126289, 3543815, 3672681, 6121135, 10631445, 13466497, 18363405, 40399491, 67332485, 201997455]

約数ペア:

[(1, 201997455), (3, 67332485), (5, 40399491), (11, 18363405), (15, 13466497), (19, 10631445), (33, 6121135), (55, 3672681), (57, 3543815), (95, 2126289), (165, 1224227), (209, 966495), (285, 708763), (627, 322165), (1045, 193299), (3135, 64433)]