2121525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{449}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 4464000

約数和(自身を除く): 2342475

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 449, 525, 675, 945, 1347, 1575, 2245, 3143, 4041, 4725, 6735, 9429, 11225, 12123, 15715, 20205, 28287, 33675, 47145, 60615, 78575, 84861, 101025, 141435, 235725, 303075, 424305, 707175, 2121525]

約数ペア:

[(1, 2121525), (3, 707175), (5, 424305), (7, 303075), (9, 235725), (15, 141435), (21, 101025), (25, 84861), (27, 78575), (35, 60615), (45, 47145), (63, 33675), (75, 28287), (105, 20205), (135, 15715), (175, 12123), (189, 11225), (225, 9429), (315, 6735), (449, 4725), (525, 4041), (675, 3143), (945, 2245), (1347, 1575)]