30315789

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 52287488

約数和(自身を除く): 21971699

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 421, 567, 889, 1143, 1263, 2667, 2947, 3429, 3789, 8001, 8841, 10287, 11367, 24003, 26523, 34101, 53467, 72009, 79569, 160401, 238707, 374269, 481203, 1122807, 1443609, 3368421, 4330827, 10105263, 30315789]

約数ペア:

[(1, 30315789), (3, 10105263), (7, 4330827), (9, 3368421), (21, 1443609), (27, 1122807), (63, 481203), (81, 374269), (127, 238707), (189, 160401), (381, 79569), (421, 72009), (567, 53467), (889, 34101), (1143, 26523), (1263, 24003), (2667, 11367), (2947, 10287), (3429, 8841), (3789, 8001)]