28605465

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12973}}^1$

素因数の和:12998

約数の個数: 36

約数和(自身を含む): 57682404

約数和(自身を除く): 29076939

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12973, 38919, 64865, 90811, 116757, 194595, 272433, 454055, 583785, 635677, 817299, 1362165, 1907031, 3178385, 4086495, 5721093, 9535155, 28605465]

約数ペア:

[(1, 28605465), (3, 9535155), (5, 5721093), (7, 4086495), (9, 3178385), (15, 1907031), (21, 1362165), (35, 817299), (45, 635677), (49, 583785), (63, 454055), (105, 272433), (147, 194595), (245, 116757), (315, 90811), (441, 64865), (735, 38919), (2205, 12973)]