28129845

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 46497024

約数和(自身を除く): 18367179

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 305, 355, 433, 915, 1065, 1299, 2165, 4331, 6495, 12993, 21655, 26413, 30743, 64965, 79239, 92229, 132065, 153715, 396195, 461145, 1875323, 5625969, 9376615, 28129845]

約数ペア:

[(1, 28129845), (3, 9376615), (5, 5625969), (15, 1875323), (61, 461145), (71, 396195), (183, 153715), (213, 132065), (305, 92229), (355, 79239), (433, 64965), (915, 30743), (1065, 26413), (1299, 21655), (2165, 12993), (4331, 6495)]