28895427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 21907773

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 59, 97, 99, 153, 177, 187, 291, 297, 459, 531, 561, 649, 873, 1003, 1067, 1593, 1649, 1683, 1947, 2619, 3009, 3201, 4947, 5049, 5723, 5841, 9027, 9603, 11033, 14841, 17169, 17523, 18139, 27081, 28809, 33099, 44523, 51507, 54417, 62953, 97291, 99297, 154521, 163251, 188859, 291873, 297891, 489753, 566577, 875619, 1070201, 1699731, 2626857, 3210603, 9631809, 28895427]

約数ペア:

[(1, 28895427), (3, 9631809), (9, 3210603), (11, 2626857), (17, 1699731), (27, 1070201), (33, 875619), (51, 566577), (59, 489753), (97, 297891), (99, 291873), (153, 188859), (177, 163251), (187, 154521), (291, 99297), (297, 97291), (459, 62953), (531, 54417), (561, 51507), (649, 44523), (873, 33099), (1003, 28809), (1067, 27081), (1593, 18139), (1649, 17523), (1683, 17169), (1947, 14841), (2619, 11033), (3009, 9603), (3201, 9027), (4947, 5841), (5049, 5723)]