71403591

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 112508928

約数和(自身を除く): 41105337

約数列:

[1, 3, 7, 21, 41, 123, 127, 287, 381, 653, 861, 889, 1959, 2667, 4571, 5207, 13713, 15621, 26773, 36449, 80319, 82931, 109347, 187411, 248793, 562233, 580517, 1741551, 3400171, 10200513, 23801197, 71403591]

約数ペア:

[(1, 71403591), (3, 23801197), (7, 10200513), (21, 3400171), (41, 1741551), (123, 580517), (127, 562233), (287, 248793), (381, 187411), (653, 109347), (861, 82931), (889, 80319), (1959, 36449), (2667, 26773), (4571, 15621), (5207, 13713)]