28587975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 51559200

約数和(自身を除く): 22971225

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 195, 269, 325, 327, 545, 807, 975, 1345, 1417, 1635, 2725, 3497, 4035, 4251, 6725, 7085, 8175, 10491, 17485, 20175, 21255, 29321, 35425, 52455, 87425, 87963, 106275, 146605, 262275, 381173, 439815, 733025, 1143519, 1905865, 2199075, 5717595, 9529325, 28587975]

約数ペア:

[(1, 28587975), (3, 9529325), (5, 5717595), (13, 2199075), (15, 1905865), (25, 1143519), (39, 733025), (65, 439815), (75, 381173), (109, 262275), (195, 146605), (269, 106275), (325, 87963), (327, 87425), (545, 52455), (807, 35425), (975, 29321), (1345, 21255), (1417, 20175), (1635, 17485), (2725, 10491), (3497, 8175), (4035, 7085), (4251, 6725)]