12803985

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 10783215

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 139, 207, 267, 345, 417, 445, 695, 801, 1035, 1251, 1335, 2047, 2085, 3197, 4005, 6141, 6255, 9591, 10235, 12371, 15985, 18423, 28773, 30705, 37113, 47955, 61855, 92115, 111339, 143865, 185565, 284533, 556695, 853599, 1422665, 2560797, 4267995, 12803985]

約数ペア:

[(1, 12803985), (3, 4267995), (5, 2560797), (9, 1422665), (15, 853599), (23, 556695), (45, 284533), (69, 185565), (89, 143865), (115, 111339), (139, 92115), (207, 61855), (267, 47955), (345, 37113), (417, 30705), (445, 28773), (695, 18423), (801, 15985), (1035, 12371), (1251, 10235), (1335, 9591), (2047, 6255), (2085, 6141), (3197, 4005)]