40540905

素因数分解:

$3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 74203584

約数和(自身を除く): 33662679

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 243, 305, 405, 547, 549, 915, 1215, 1641, 1647, 2735, 2745, 4923, 4941, 8205, 8235, 14769, 14823, 24615, 24705, 33367, 44307, 73845, 74115, 100101, 132921, 166835, 221535, 300303, 500505, 664605, 900909, 1501515, 2702727, 4504545, 8108181, 13513635, 40540905]

約数ペア:

[(1, 40540905), (3, 13513635), (5, 8108181), (9, 4504545), (15, 2702727), (27, 1501515), (45, 900909), (61, 664605), (81, 500505), (135, 300303), (183, 221535), (243, 166835), (305, 132921), (405, 100101), (547, 74115), (549, 73845), (915, 44307), (1215, 33367), (1641, 24705), (1647, 24615), (2735, 14823), (2745, 14769), (4923, 8235), (4941, 8205)]