420988605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{10627}}^1$

素因数の和:10793

約数の個数: 32

約数和(自身を含む): 714201600

約数和(自身を除く): 293212995

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 2085, 2641, 7923, 10627, 13205, 31881, 39615, 53135, 159405, 201913, 605739, 1009565, 1477153, 3028695, 4431459, 7385765, 22157295, 28065907, 84197721, 140329535, 420988605]

約数ペア:

[(1, 420988605), (3, 140329535), (5, 84197721), (15, 28065907), (19, 22157295), (57, 7385765), (95, 4431459), (139, 3028695), (285, 1477153), (417, 1009565), (695, 605739), (2085, 201913), (2641, 159405), (7923, 53135), (10627, 39615), (13205, 31881)]