1618553349

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 2776621848

約数和(自身を除く): 1158068499

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 157, 241, 291, 441, 471, 679, 723, 873, 1099, 1413, 1687, 2037, 2169, 3297, 4753, 5061, 6111, 7693, 9891, 11809, 14259, 15183, 15229, 23079, 23377, 35427, 37837, 42777, 45687, 69237, 70131, 106281, 106603, 113511, 137061, 163639, 210393, 264859, 319809, 340533, 490917, 746221, 794577, 959427, 1145473, 1472751, 1854013, 2238663, 2383731, 3436419, 3670189, 5562039, 6715989, 10309257, 11010567, 16686117, 25691323, 33031701, 77073969, 179839261, 231221907, 539517783, 1618553349]

約数ペア:

[(1, 1618553349), (3, 539517783), (7, 231221907), (9, 179839261), (21, 77073969), (49, 33031701), (63, 25691323), (97, 16686117), (147, 11010567), (157, 10309257), (241, 6715989), (291, 5562039), (441, 3670189), (471, 3436419), (679, 2383731), (723, 2238663), (873, 1854013), (1099, 1472751), (1413, 1145473), (1687, 959427), (2037, 794577), (2169, 746221), (3297, 490917), (4753, 340533), (5061, 319809), (6111, 264859), (7693, 210393), (9891, 163639), (11809, 137061), (14259, 113511), (15183, 106603), (15229, 106281), (23079, 70131), (23377, 69237), (35427, 45687), (37837, 42777)]