71262513

素因数分解:

$3^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:874

約数の個数: 36

約数和(自身を含む): 120373968

約数和(自身を除く): 49111455

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 283, 441, 571, 849, 1713, 1981, 2547, 3997, 5139, 5943, 11991, 13867, 17829, 27979, 35973, 41601, 83937, 124803, 161593, 251811, 484779, 1131151, 1454337, 3393453, 7918057, 10180359, 23754171, 71262513]

約数ペア:

[(1, 71262513), (3, 23754171), (7, 10180359), (9, 7918057), (21, 3393453), (49, 1454337), (63, 1131151), (147, 484779), (283, 251811), (441, 161593), (571, 124803), (849, 83937), (1713, 41601), (1981, 35973), (2547, 27979), (3997, 17829), (5139, 13867), (5943, 11991)]