69215839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 90243072

約数和(自身を除く): 21027233

約数列:

[1, 7, 11, 31, 77, 107, 217, 271, 341, 749, 1177, 1897, 2387, 2981, 3317, 8239, 8401, 20867, 23219, 28997, 36487, 58807, 92411, 202979, 255409, 318967, 646877, 898907, 2232769, 6292349, 9887977, 69215839]

約数ペア:

[(1, 69215839), (7, 9887977), (11, 6292349), (31, 2232769), (77, 898907), (107, 646877), (217, 318967), (271, 255409), (341, 202979), (749, 92411), (1177, 58807), (1897, 36487), (2387, 28997), (2981, 23219), (3317, 20867), (8239, 8401)]