408513537

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{12577}}^1$

素因数の和:12990

約数の個数: 20

約数和(自身を含む): 611819076

約数和(自身を除く): 203305539

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 10827, 12577, 32481, 37731, 113193, 339579, 1018737, 5043377, 15130131, 45390393, 136171179, 408513537]

約数ペア:

[(1, 408513537), (3, 136171179), (9, 45390393), (27, 15130131), (81, 5043377), (401, 1018737), (1203, 339579), (3609, 113193), (10827, 37731), (12577, 32481)]