165289905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 315057600

約数和(自身を除く): 149767695

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 131, 165, 393, 495, 655, 1179, 1441, 1965, 2549, 4323, 5895, 7205, 7647, 12745, 12969, 21615, 22941, 28039, 38235, 64845, 84117, 114705, 140195, 252351, 333919, 420585, 1001757, 1261755, 1669595, 3005271, 3673109, 5008785, 11019327, 15026355, 18365545, 33057981, 55096635, 165289905]

約数ペア:

[(1, 165289905), (3, 55096635), (5, 33057981), (9, 18365545), (11, 15026355), (15, 11019327), (33, 5008785), (45, 3673109), (55, 3005271), (99, 1669595), (131, 1261755), (165, 1001757), (393, 420585), (495, 333919), (655, 252351), (1179, 140195), (1441, 114705), (1965, 84117), (2549, 64845), (4323, 38235), (5895, 28039), (7205, 22941), (7647, 21615), (12745, 12969)]