25786971

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 21521829

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 129, 133, 167, 171, 189, 301, 387, 399, 501, 513, 817, 903, 1161, 1169, 1197, 1503, 2451, 2709, 3173, 3507, 3591, 4509, 5719, 7181, 7353, 8127, 9519, 10521, 17157, 21543, 22059, 22211, 28557, 31563, 50267, 51471, 64629, 66633, 85671, 136439, 150801, 154413, 193887, 199899, 409317, 452403, 599697, 955073, 1227951, 1357209, 2865219, 3683853, 8595657, 25786971]

約数ペア:

[(1, 25786971), (3, 8595657), (7, 3683853), (9, 2865219), (19, 1357209), (21, 1227951), (27, 955073), (43, 599697), (57, 452403), (63, 409317), (129, 199899), (133, 193887), (167, 154413), (171, 150801), (189, 136439), (301, 85671), (387, 66633), (399, 64629), (501, 51471), (513, 50267), (817, 31563), (903, 28557), (1161, 22211), (1169, 22059), (1197, 21543), (1503, 17157), (2451, 10521), (2709, 9519), (3173, 8127), (3507, 7353), (3591, 7181), (4509, 5719)]