168958251

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 314496000

約数和(自身を除く): 145537749

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 181, 189, 231, 297, 449, 543, 693, 1267, 1347, 1629, 1991, 2079, 3143, 3801, 4041, 4887, 4939, 5973, 9429, 11403, 12123, 13937, 14817, 17919, 28287, 34209, 34573, 41811, 44451, 53757, 81269, 84861, 103719, 125433, 133353, 243807, 311157, 376299, 568883, 731421, 893959, 933471, 1706649, 2194263, 2681877, 5119947, 6257713, 8045631, 15359841, 18773139, 24136893, 56319417, 168958251]

約数ペア:

[(1, 168958251), (3, 56319417), (7, 24136893), (9, 18773139), (11, 15359841), (21, 8045631), (27, 6257713), (33, 5119947), (63, 2681877), (77, 2194263), (99, 1706649), (181, 933471), (189, 893959), (231, 731421), (297, 568883), (449, 376299), (543, 311157), (693, 243807), (1267, 133353), (1347, 125433), (1629, 103719), (1991, 84861), (2079, 81269), (3143, 53757), (3801, 44451), (4041, 41811), (4887, 34573), (4939, 34209), (5973, 28287), (9429, 17919), (11403, 14817), (12123, 13937)]