156780567

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{3361}}^1$

素因数の和:3511

約数の個数: 24

約数和(自身を含む): 232865568

約数和(自身を除く): 76085001

約数列:

[1, 3, 9, 71, 73, 213, 219, 639, 657, 3361, 5183, 10083, 15549, 30249, 46647, 238631, 245353, 715893, 736059, 2147679, 2208177, 17420063, 52260189, 156780567]

約数ペア:

[(1, 156780567), (3, 52260189), (9, 17420063), (71, 2208177), (73, 2147679), (213, 736059), (219, 715893), (639, 245353), (657, 238631), (3361, 46647), (5183, 30249), (10083, 15549)]