204578985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{55217}}^1$

素因数の和:55257

約数の個数: 32

約数和(自身を含む): 371064960

約数和(自身を除く): 166485975

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 55217, 165651, 276085, 717821, 828255, 1049123, 2153463, 3147369, 3589105, 5245615, 10767315, 13638599, 15736845, 40915797, 68192995, 204578985]

約数ペア:

[(1, 204578985), (3, 68192995), (5, 40915797), (13, 15736845), (15, 13638599), (19, 10767315), (39, 5245615), (57, 3589105), (65, 3147369), (95, 2153463), (195, 1049123), (247, 828255), (285, 717821), (741, 276085), (1235, 165651), (3705, 55217)]