17128881

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 32749920

約数和(自身を除く): 15621039

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 107, 121, 147, 189, 231, 297, 321, 363, 441, 539, 693, 749, 847, 963, 1089, 1177, 1323, 1617, 2079, 2247, 2541, 2889, 3267, 3531, 4851, 5243, 5929, 6741, 7623, 8239, 10593, 12947, 14553, 15729, 17787, 20223, 22869, 24717, 31779, 38841, 47187, 53361, 57673, 74151, 90629, 116523, 141561, 160083, 173019, 222453, 271887, 349569, 519057, 634403, 815661, 1557171, 1903209, 2446983, 5709627, 17128881]

約数ペア:

[(1, 17128881), (3, 5709627), (7, 2446983), (9, 1903209), (11, 1557171), (21, 815661), (27, 634403), (33, 519057), (49, 349569), (63, 271887), (77, 222453), (99, 173019), (107, 160083), (121, 141561), (147, 116523), (189, 90629), (231, 74151), (297, 57673), (321, 53361), (363, 47187), (441, 38841), (539, 31779), (693, 24717), (749, 22869), (847, 20223), (963, 17787), (1089, 15729), (1177, 14553), (1323, 12947), (1617, 10593), (2079, 8239), (2247, 7623), (2541, 6741), (2889, 5929), (3267, 5243), (3531, 4851)]