28870233

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 48098304

約数和(自身を除く): 19228071

約数列:

[1, 3, 7, 17, 21, 51, 67, 71, 119, 201, 213, 289, 357, 469, 497, 867, 1139, 1207, 1407, 1491, 2023, 3417, 3621, 4757, 6069, 7973, 8449, 14271, 19363, 20519, 23919, 25347, 33299, 58089, 61557, 80869, 99897, 135541, 143633, 242607, 406623, 430899, 566083, 1374773, 1698249, 4124319, 9623411, 28870233]

約数ペア:

[(1, 28870233), (3, 9623411), (7, 4124319), (17, 1698249), (21, 1374773), (51, 566083), (67, 430899), (71, 406623), (119, 242607), (201, 143633), (213, 135541), (289, 99897), (357, 80869), (469, 61557), (497, 58089), (867, 33299), (1139, 25347), (1207, 23919), (1407, 20519), (1491, 19363), (2023, 14271), (3417, 8449), (3621, 7973), (4757, 6069)]