28499145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 48305280

約数和(自身を除く): 19806135

約数列:

[1, 3, 5, 15, 19, 57, 95, 277, 285, 361, 831, 1083, 1385, 1805, 4155, 5263, 5415, 6859, 15789, 20577, 26315, 34295, 78945, 99997, 102885, 299991, 499985, 1499955, 1899943, 5699829, 9499715, 28499145]

約数ペア:

[(1, 28499145), (3, 9499715), (5, 5699829), (15, 1899943), (19, 1499955), (57, 499985), (95, 299991), (277, 102885), (285, 99997), (361, 78945), (831, 34295), (1083, 26315), (1385, 20577), (1805, 15789), (4155, 6859), (5263, 5415)]