28382067

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 21587853

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 181, 393, 399, 543, 917, 1179, 1197, 1267, 1629, 2489, 2751, 3439, 3801, 7467, 8253, 10317, 11403, 17423, 22401, 23711, 24073, 30951, 52269, 71133, 72219, 156807, 165977, 213399, 216657, 450509, 497931, 1351527, 1493793, 3153563, 4054581, 9460689, 28382067]

約数ペア:

[(1, 28382067), (3, 9460689), (7, 4054581), (9, 3153563), (19, 1493793), (21, 1351527), (57, 497931), (63, 450509), (131, 216657), (133, 213399), (171, 165977), (181, 156807), (393, 72219), (399, 71133), (543, 52269), (917, 30951), (1179, 24073), (1197, 23711), (1267, 22401), (1629, 17423), (2489, 11403), (2751, 10317), (3439, 8253), (3801, 7467)]