25954551

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21683}}^1$

素因数の和:21715

約数の個数: 24

約数和(自身を含む): 45102720

約数和(自身を除く): 19148169

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21683, 65049, 151781, 195147, 411977, 455343, 1235931, 1366029, 2883839, 3707793, 8651517, 25954551]

約数ペア:

[(1, 25954551), (3, 8651517), (7, 3707793), (9, 2883839), (19, 1366029), (21, 1235931), (57, 455343), (63, 411977), (133, 195147), (171, 151781), (399, 65049), (1197, 21683)]