71551011

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 50100189

約数列:

[1, 3, 7, 17, 21, 43, 51, 59, 79, 119, 129, 177, 237, 301, 357, 413, 553, 731, 903, 1003, 1239, 1343, 1659, 2193, 2537, 3009, 3397, 4029, 4661, 5117, 7021, 7611, 9401, 10191, 13983, 15351, 17759, 21063, 23779, 28203, 32627, 43129, 53277, 57749, 71337, 79237, 97881, 129387, 173247, 200423, 237711, 301903, 404243, 554659, 601269, 905709, 1212729, 1402961, 1663977, 3407191, 4208883, 10221573, 23850337, 71551011]

約数ペア:

[(1, 71551011), (3, 23850337), (7, 10221573), (17, 4208883), (21, 3407191), (43, 1663977), (51, 1402961), (59, 1212729), (79, 905709), (119, 601269), (129, 554659), (177, 404243), (237, 301903), (301, 237711), (357, 200423), (413, 173247), (553, 129387), (731, 97881), (903, 79237), (1003, 71337), (1239, 57749), (1343, 53277), (1659, 43129), (2193, 32627), (2537, 28203), (3009, 23779), (3397, 21063), (4029, 17759), (4661, 15351), (5117, 13983), (7021, 10191), (7611, 9401)]