28157415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13127}}^1$

素因数の和:13159

約数の個数: 32

約数和(自身を含む): 52932096

約数和(自身を除く): 24774681

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 13127, 39381, 65635, 144397, 170651, 196905, 433191, 511953, 721985, 853255, 1877161, 2165955, 2559765, 5631483, 9385805, 28157415]

約数ペア:

[(1, 28157415), (3, 9385805), (5, 5631483), (11, 2559765), (13, 2165955), (15, 1877161), (33, 853255), (39, 721985), (55, 511953), (65, 433191), (143, 196905), (165, 170651), (195, 144397), (429, 65635), (715, 39381), (2145, 13127)]