90253989

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 158080000

約数和(自身を除く): 67826011

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 259, 279, 333, 651, 777, 1147, 1249, 1953, 2331, 3441, 3747, 8029, 8743, 10323, 11241, 24087, 26229, 38719, 46213, 72261, 78687, 116157, 138639, 271033, 323491, 348471, 415917, 813099, 970473, 1432603, 2439297, 2911419, 4297809, 10028221, 12893427, 30084663, 90253989]

約数ペア:

[(1, 90253989), (3, 30084663), (7, 12893427), (9, 10028221), (21, 4297809), (31, 2911419), (37, 2439297), (63, 1432603), (93, 970473), (111, 813099), (217, 415917), (259, 348471), (279, 323491), (333, 271033), (651, 138639), (777, 116157), (1147, 78687), (1249, 72261), (1953, 46213), (2331, 38719), (3441, 26229), (3747, 24087), (8029, 11241), (8743, 10323)]