156807

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 274560

約数和(自身を除く): 117753

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 917, 1179, 1197, 2489, 2751, 7467, 8253, 17423, 22401, 52269, 156807]

約数ペア:

[(1, 156807), (3, 52269), (7, 22401), (9, 17423), (19, 8253), (21, 7467), (57, 2751), (63, 2489), (131, 1197), (133, 1179), (171, 917), (393, 399)]