209901075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{147299}}^1$

素因数の和:147331

約数の個数: 24

約数和(自身を含む): 365304000

約数和(自身を除く): 155402925

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 147299, 441897, 736495, 2209485, 2798681, 3682475, 8396043, 11047425, 13993405, 41980215, 69967025, 209901075]

約数ペア:

[(1, 209901075), (3, 69967025), (5, 41980215), (15, 13993405), (19, 11047425), (25, 8396043), (57, 3682475), (75, 2798681), (95, 2209485), (285, 736495), (475, 441897), (1425, 147299)]