25648155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 25064325

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2579, 3315, 7737, 9945, 12895, 23211, 33527, 38685, 43843, 100581, 116055, 131529, 167635, 219215, 301743, 394587, 502905, 569959, 657645, 1508715, 1709877, 1972935, 2849795, 5129631, 8549385, 25648155]

約数ペア:

[(1, 25648155), (3, 8549385), (5, 5129631), (9, 2849795), (13, 1972935), (15, 1709877), (17, 1508715), (39, 657645), (45, 569959), (51, 502905), (65, 394587), (85, 301743), (117, 219215), (153, 167635), (195, 131529), (221, 116055), (255, 100581), (585, 43843), (663, 38685), (765, 33527), (1105, 23211), (1989, 12895), (2579, 9945), (3315, 7737)]