519887745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{38639}}^1$

素因数の和:38686

約数の個数: 48

約数和(自身を含む): 1012677120

約数和(自身を除く): 492789375

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 38639, 115917, 193195, 347751, 502307, 579585, 888697, 1506921, 1738755, 2511535, 2666091, 4443485, 4520763, 7534605, 7998273, 11553061, 13330455, 22603815, 34659183, 39991365, 57765305, 103977549, 173295915, 519887745]

約数ペア:

[(1, 519887745), (3, 173295915), (5, 103977549), (9, 57765305), (13, 39991365), (15, 34659183), (23, 22603815), (39, 13330455), (45, 11553061), (65, 7998273), (69, 7534605), (115, 4520763), (117, 4443485), (195, 2666091), (207, 2511535), (299, 1738755), (345, 1506921), (585, 888697), (897, 579585), (1035, 502307), (1495, 347751), (2691, 193195), (4485, 115917), (13455, 38639)]