180963027

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 320143200

約数和(自身を除く): 139180173

約数列:

[1, 3, 7, 9, 21, 31, 49, 61, 63, 93, 147, 183, 217, 279, 343, 427, 441, 549, 651, 961, 1029, 1281, 1519, 1891, 1953, 2883, 2989, 3087, 3843, 4557, 5673, 6727, 8649, 8967, 10633, 13237, 13671, 17019, 20181, 20923, 26901, 31899, 39711, 47089, 58621, 60543, 62769, 92659, 95697, 119133, 141267, 175863, 188307, 277977, 329623, 410347, 423801, 527589, 648613, 833931, 988869, 1231041, 1945839, 2872429, 2966607, 3693123, 5837517, 8617287, 20107003, 25851861, 60321009, 180963027]

約数ペア:

[(1, 180963027), (3, 60321009), (7, 25851861), (9, 20107003), (21, 8617287), (31, 5837517), (49, 3693123), (61, 2966607), (63, 2872429), (93, 1945839), (147, 1231041), (183, 988869), (217, 833931), (279, 648613), (343, 527589), (427, 423801), (441, 410347), (549, 329623), (651, 277977), (961, 188307), (1029, 175863), (1281, 141267), (1519, 119133), (1891, 95697), (1953, 92659), (2883, 62769), (2989, 60543), (3087, 58621), (3843, 47089), (4557, 39711), (5673, 31899), (6727, 26901), (8649, 20923), (8967, 20181), (10633, 17019), (13237, 13671)]