31407021

素因数分解:

$3^5\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 47311264

約数和(自身を除く): 15904243

約数列:

[1, 3, 9, 27, 81, 243, 307, 421, 921, 1263, 2763, 3789, 8289, 11367, 24867, 34101, 74601, 102303, 129247, 387741, 1163223, 3489669, 10469007, 31407021]

約数ペア:

[(1, 31407021), (3, 10469007), (9, 3489669), (27, 1163223), (81, 387741), (243, 129247), (307, 102303), (421, 74601), (921, 34101), (1263, 24867), (2763, 11367), (3789, 8289)]