25664985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 23790375

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 153, 159, 211, 255, 265, 459, 477, 633, 765, 795, 901, 1055, 1431, 1899, 2295, 2385, 2703, 3165, 3587, 4505, 5697, 7155, 8109, 9495, 10761, 11183, 13515, 17935, 24327, 28485, 32283, 33549, 40545, 53805, 55915, 96849, 100647, 121635, 161415, 167745, 190111, 301941, 484245, 503235, 570333, 950555, 1509705, 1710999, 2851665, 5132997, 8554995, 25664985]

約数ペア:

[(1, 25664985), (3, 8554995), (5, 5132997), (9, 2851665), (15, 1710999), (17, 1509705), (27, 950555), (45, 570333), (51, 503235), (53, 484245), (85, 301941), (135, 190111), (153, 167745), (159, 161415), (211, 121635), (255, 100647), (265, 96849), (459, 55915), (477, 53805), (633, 40545), (765, 33549), (795, 32283), (901, 28485), (1055, 24327), (1431, 17935), (1899, 13515), (2295, 11183), (2385, 10761), (2703, 9495), (3165, 8109), (3587, 7155), (4505, 5697)]