2195505

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4280640

約数和(自身を除く): 2085135

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 139, 195, 243, 351, 405, 417, 585, 695, 1053, 1215, 1251, 1755, 1807, 2085, 3159, 3753, 5265, 5421, 6255, 9035, 11259, 15795, 16263, 18765, 27105, 33777, 48789, 56295, 81315, 146367, 168885, 243945, 439101, 731835, 2195505]

約数ペア:

[(1, 2195505), (3, 731835), (5, 439101), (9, 243945), (13, 168885), (15, 146367), (27, 81315), (39, 56295), (45, 48789), (65, 33777), (81, 27105), (117, 18765), (135, 16263), (139, 15795), (195, 11259), (243, 9035), (351, 6255), (405, 5421), (417, 5265), (585, 3753), (695, 3159), (1053, 2085), (1215, 1807), (1251, 1755)]