208050525

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 403515840

約数和(自身を除く): 195465315

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 575, 621, 675, 1035, 1215, 1489, 1725, 1863, 2025, 3105, 4467, 5175, 5589, 6075, 7445, 9315, 13401, 15525, 22335, 27945, 34247, 37225, 40203, 46575, 67005, 102741, 111675, 120609, 139725, 171235, 201015, 308223, 335025, 361827, 513705, 603045, 856175, 924669, 1005075, 1541115, 1809135, 2568525, 2774007, 3015225, 4623345, 7705575, 8322021, 9045675, 13870035, 23116725, 41610105, 69350175, 208050525]

約数ペア:

[(1, 208050525), (3, 69350175), (5, 41610105), (9, 23116725), (15, 13870035), (23, 9045675), (25, 8322021), (27, 7705575), (45, 4623345), (69, 3015225), (75, 2774007), (81, 2568525), (115, 1809135), (135, 1541115), (207, 1005075), (225, 924669), (243, 856175), (345, 603045), (405, 513705), (575, 361827), (621, 335025), (675, 308223), (1035, 201015), (1215, 171235), (1489, 139725), (1725, 120609), (1863, 111675), (2025, 102741), (3105, 67005), (4467, 46575), (5175, 40203), (5589, 37225), (6075, 34247), (7445, 27945), (9315, 22335), (13401, 15525)]