28125363

素因数分解:

$3^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{653}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 43838928

約数和(自身を除く): 15713565

約数列:

[1, 3, 7, 21, 49, 147, 293, 653, 879, 1959, 2051, 4571, 6153, 13713, 14357, 31997, 43071, 95991, 191329, 573987, 1339303, 4017909, 9375121, 28125363]

約数ペア:

[(1, 28125363), (3, 9375121), (7, 4017909), (21, 1339303), (49, 573987), (147, 191329), (293, 95991), (653, 43071), (879, 31997), (1959, 14357), (2051, 13713), (4571, 6153)]