689712871905

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{921257}}^1$

素因数の和:921526

約数の個数: 48

約数和(自身を含む): 1214114863104

約数和(自身を除く): 524401991199

約数列:

[1, 3, 5, 9, 15, 45, 127, 131, 381, 393, 635, 655, 1143, 1179, 1905, 1965, 5715, 5895, 16637, 49911, 83185, 149733, 249555, 748665, 921257, 2763771, 4606285, 8291313, 13818855, 41456565, 116999639, 120684667, 350998917, 362054001, 584998195, 603423335, 1052996751, 1086162003, 1754994585, 1810270005, 5264983755, 5430810015, 15326952709, 45980858127, 76634763545, 137942574381, 229904290635, 689712871905]

約数ペア:

[(1, 689712871905), (3, 229904290635), (5, 137942574381), (9, 76634763545), (15, 45980858127), (45, 15326952709), (127, 5430810015), (131, 5264983755), (381, 1810270005), (393, 1754994585), (635, 1086162003), (655, 1052996751), (1143, 603423335), (1179, 584998195), (1905, 362054001), (1965, 350998917), (5715, 120684667), (5895, 116999639), (16637, 41456565), (49911, 13818855), (83185, 8291313), (149733, 4606285), (249555, 2763771), (748665, 921257)]