204080235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1709}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 344736000

約数和(自身を除く): 140655765

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 419, 1257, 1709, 2095, 5127, 6285, 7961, 8545, 23883, 25635, 32471, 39805, 97413, 119415, 162355, 487065, 716071, 2148213, 3580355, 10741065, 13605349, 40816047, 68026745, 204080235]

約数ペア:

[(1, 204080235), (3, 68026745), (5, 40816047), (15, 13605349), (19, 10741065), (57, 3580355), (95, 2148213), (285, 716071), (419, 487065), (1257, 162355), (1709, 119415), (2095, 97413), (5127, 39805), (6285, 32471), (7961, 25635), (8545, 23883)]