9947223

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 17297280

約数和(自身を除く): 7350057

約数列:

[1, 3, 9, 11, 13, 33, 39, 59, 99, 117, 131, 143, 177, 393, 429, 531, 649, 767, 1179, 1287, 1441, 1703, 1947, 2301, 4323, 5109, 5841, 6903, 7729, 8437, 12969, 15327, 18733, 23187, 25311, 56199, 69561, 75933, 85019, 100477, 168597, 255057, 301431, 765171, 904293, 1105247, 3315741, 9947223]

約数ペア:

[(1, 9947223), (3, 3315741), (9, 1105247), (11, 904293), (13, 765171), (33, 301431), (39, 255057), (59, 168597), (99, 100477), (117, 85019), (131, 75933), (143, 69561), (177, 56199), (393, 25311), (429, 23187), (531, 18733), (649, 15327), (767, 12969), (1179, 8437), (1287, 7729), (1441, 6903), (1703, 5841), (1947, 5109), (2301, 4323)]