17894751

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 30096000

約数和(自身を除く): 12201249

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 149, 301, 399, 447, 817, 903, 931, 1043, 2107, 2451, 2793, 2831, 3129, 5719, 6321, 6407, 7301, 8493, 17157, 19221, 19817, 21903, 40033, 44849, 59451, 120099, 121733, 134547, 138719, 313943, 365199, 416157, 852131, 941829, 2556393, 5964917, 17894751]

約数ペア:

[(1, 17894751), (3, 5964917), (7, 2556393), (19, 941829), (21, 852131), (43, 416157), (49, 365199), (57, 313943), (129, 138719), (133, 134547), (147, 121733), (149, 120099), (301, 59451), (399, 44849), (447, 40033), (817, 21903), (903, 19817), (931, 19221), (1043, 17157), (2107, 8493), (2451, 7301), (2793, 6407), (2831, 6321), (3129, 5719)]