51880905

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2417}}^1$

素因数の和:2487

約数の個数: 40

約数和(自身を含む): 94795272

約数和(自身を除く): 42914367

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 2417, 4293, 7155, 7251, 12085, 21465, 21753, 36255, 65259, 108765, 128101, 195777, 326295, 384303, 640505, 978885, 1152909, 1921515, 3458727, 5764545, 10376181, 17293635, 51880905]

約数ペア:

[(1, 51880905), (3, 17293635), (5, 10376181), (9, 5764545), (15, 3458727), (27, 1921515), (45, 1152909), (53, 978885), (81, 640505), (135, 384303), (159, 326295), (265, 195777), (405, 128101), (477, 108765), (795, 65259), (1431, 36255), (2385, 21753), (2417, 21465), (4293, 12085), (7155, 7251)]