138854745

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 246355200

約数和(自身を除く): 107500455

約数列:

[1, 3, 5, 9, 15, 45, 79, 139, 237, 281, 395, 417, 695, 711, 843, 1185, 1251, 1405, 2085, 2529, 3555, 4215, 6255, 10981, 12645, 22199, 32943, 39059, 54905, 66597, 98829, 110995, 117177, 164715, 195295, 199791, 332985, 351531, 494145, 585885, 998955, 1757655, 3085661, 9256983, 15428305, 27770949, 46284915, 138854745]

約数ペア:

[(1, 138854745), (3, 46284915), (5, 27770949), (9, 15428305), (15, 9256983), (45, 3085661), (79, 1757655), (139, 998955), (237, 585885), (281, 494145), (395, 351531), (417, 332985), (695, 199791), (711, 195295), (843, 164715), (1185, 117177), (1251, 110995), (1405, 98829), (2085, 66597), (2529, 54905), (3555, 39059), (4215, 32943), (6255, 22199), (10981, 12645)]