28265895

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4273}}^1$

素因数の和:4301

約数の個数: 48

約数和(自身を含む): 58468320

約数和(自身を除く): 30202425

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4273, 6615, 12819, 21365, 29911, 38457, 64095, 89733, 115371, 149555, 192285, 209377, 269199, 448665, 576855, 628131, 807597, 1046885, 1345995, 1884393, 3140655, 4037985, 5653179, 9421965, 28265895]

約数ペア:

[(1, 28265895), (3, 9421965), (5, 5653179), (7, 4037985), (9, 3140655), (15, 1884393), (21, 1345995), (27, 1046885), (35, 807597), (45, 628131), (49, 576855), (63, 448665), (105, 269199), (135, 209377), (147, 192285), (189, 149555), (245, 115371), (315, 89733), (441, 64095), (735, 38457), (945, 29911), (1323, 21365), (2205, 12819), (4273, 6615)]