28723149

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 54093312

約数和(自身を除く): 25370163

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 2063, 4641, 6189, 13923, 14441, 18567, 26819, 35071, 43323, 80457, 105213, 129969, 187733, 241371, 245497, 315639, 455923, 563199, 736491, 1367769, 1689597, 2209473, 3191461, 4103307, 9574383, 28723149]

約数ペア:

[(1, 28723149), (3, 9574383), (7, 4103307), (9, 3191461), (13, 2209473), (17, 1689597), (21, 1367769), (39, 736491), (51, 563199), (63, 455923), (91, 315639), (117, 245497), (119, 241371), (153, 187733), (221, 129969), (273, 105213), (357, 80457), (663, 43323), (819, 35071), (1071, 26819), (1547, 18567), (1989, 14441), (2063, 13923), (4641, 6189)]