28739685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7757}}^1$

素因数の和:7797

約数の個数: 32

約数和(自身を含む): 52133760

約数和(自身を除く): 23394075

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7757, 23271, 38785, 100841, 116355, 147383, 302523, 442149, 504205, 736915, 1512615, 1915979, 2210745, 5747937, 9579895, 28739685]

約数ペア:

[(1, 28739685), (3, 9579895), (5, 5747937), (13, 2210745), (15, 1915979), (19, 1512615), (39, 736915), (57, 504205), (65, 442149), (95, 302523), (195, 147383), (247, 116355), (285, 100841), (741, 38785), (1235, 23271), (3705, 7757)]