189819

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 329472

約数和(自身を除く): 139653

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 131, 161, 207, 393, 483, 917, 1179, 1449, 2751, 3013, 8253, 9039, 21091, 27117, 63273, 189819]

約数ペア:

[(1, 189819), (3, 63273), (7, 27117), (9, 21091), (21, 9039), (23, 8253), (63, 3013), (69, 2751), (131, 1449), (161, 1179), (207, 917), (393, 483)]