311438745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2297}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 567844992

約数和(自身を除く): 256406247

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 131, 207, 345, 393, 655, 1035, 1179, 1965, 2297, 3013, 5895, 6891, 9039, 11485, 15065, 20673, 27117, 34455, 45195, 52831, 103365, 135585, 158493, 264155, 300907, 475479, 792465, 902721, 1504535, 2377395, 2708163, 4513605, 6920861, 13540815, 20762583, 34604305, 62287749, 103812915, 311438745]

約数ペア:

[(1, 311438745), (3, 103812915), (5, 62287749), (9, 34604305), (15, 20762583), (23, 13540815), (45, 6920861), (69, 4513605), (115, 2708163), (131, 2377395), (207, 1504535), (345, 902721), (393, 792465), (655, 475479), (1035, 300907), (1179, 264155), (1965, 158493), (2297, 135585), (3013, 103365), (5895, 52831), (6891, 45195), (9039, 34455), (11485, 27117), (15065, 20673)]