1320231717

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1620

約数の個数: 80

約数和(自身を含む): 2388621312

約数和(自身を除く): 1068389595

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 67, 69, 81, 161, 189, 201, 207, 469, 483, 567, 603, 621, 1407, 1449, 1511, 1541, 1809, 1863, 4221, 4347, 4533, 4623, 5427, 10577, 10787, 12663, 13041, 13599, 13869, 31731, 32361, 34753, 37989, 40797, 41607, 95193, 97083, 101237, 104259, 122391, 124821, 243271, 285579, 291249, 303711, 312777, 708659, 729813, 856737, 873747, 911133, 938331, 2125977, 2189439, 2328451, 2733399, 2814993, 6377931, 6568317, 6985353, 8200197, 16299157, 19133793, 19704951, 20956059, 48897471, 57401379, 62868177, 146692413, 188604531, 440077239, 1320231717]

約数ペア:

[(1, 1320231717), (3, 440077239), (7, 188604531), (9, 146692413), (21, 62868177), (23, 57401379), (27, 48897471), (63, 20956059), (67, 19704951), (69, 19133793), (81, 16299157), (161, 8200197), (189, 6985353), (201, 6568317), (207, 6377931), (469, 2814993), (483, 2733399), (567, 2328451), (603, 2189439), (621, 2125977), (1407, 938331), (1449, 911133), (1511, 873747), (1541, 856737), (1809, 729813), (1863, 708659), (4221, 312777), (4347, 303711), (4533, 291249), (4623, 285579), (5427, 243271), (10577, 124821), (10787, 122391), (12663, 104259), (13041, 101237), (13599, 97083), (13869, 95193), (31731, 41607), (32361, 40797), (34753, 37989)]