247923774

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{655883}}^1$

素因数の和:655901

約数の個数: 32

約数和(自身を含む): 629648640

約数和(自身を除く): 381724866

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 655883, 1311766, 1967649, 3935298, 4591181, 5902947, 9182362, 11805894, 13773543, 17708841, 27547086, 35417682, 41320629, 82641258, 123961887, 247923774]

約数ペア:

[(1, 247923774), (2, 123961887), (3, 82641258), (6, 41320629), (7, 35417682), (9, 27547086), (14, 17708841), (18, 13773543), (21, 11805894), (27, 9182362), (42, 5902947), (54, 4591181), (63, 3935298), (126, 1967649), (189, 1311766), (378, 655883)]