31423707

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 54142176

約数和(自身を除く): 22718469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 353, 471, 567, 1059, 1099, 1413, 2471, 3177, 3297, 4239, 7413, 9531, 9891, 12717, 22239, 28593, 29673, 55421, 66717, 89019, 166263, 200151, 387947, 498789, 1163841, 1496367, 3491523, 4489101, 10474569, 31423707]

約数ペア:

[(1, 31423707), (3, 10474569), (7, 4489101), (9, 3491523), (21, 1496367), (27, 1163841), (63, 498789), (81, 387947), (157, 200151), (189, 166263), (353, 89019), (471, 66717), (567, 55421), (1059, 29673), (1099, 28593), (1413, 22239), (2471, 12717), (3177, 9891), (3297, 9531), (4239, 7413)]