27687807

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23131}}^1$

素因数の和:23163

約数の個数: 24

約数和(自身を含む): 48114560

約数和(自身を除く): 20426753

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23131, 69393, 161917, 208179, 439489, 485751, 1318467, 1457253, 3076423, 3955401, 9229269, 27687807]

約数ペア:

[(1, 27687807), (3, 9229269), (7, 3955401), (9, 3076423), (19, 1457253), (21, 1318467), (57, 485751), (63, 439489), (133, 208179), (171, 161917), (399, 69393), (1197, 23131)]