206470485

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1755

約数の個数: 64

約数和(自身を含む): 401103360

約数和(自身を除く): 194632875

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 639, 923, 1065, 1657, 1755, 1917, 2769, 3195, 4615, 4971, 8285, 8307, 9585, 13845, 14913, 21541, 24855, 24921, 41535, 44739, 64623, 74565, 107705, 117647, 124605, 193869, 223695, 323115, 352941, 581607, 588235, 969345, 1058823, 1529411, 1764705, 2908035, 3176469, 4588233, 5294115, 7647055, 13764699, 15882345, 22941165, 41294097, 68823495, 206470485]

約数ペア:

[(1, 206470485), (3, 68823495), (5, 41294097), (9, 22941165), (13, 15882345), (15, 13764699), (27, 7647055), (39, 5294115), (45, 4588233), (65, 3176469), (71, 2908035), (117, 1764705), (135, 1529411), (195, 1058823), (213, 969345), (351, 588235), (355, 581607), (585, 352941), (639, 323115), (923, 223695), (1065, 193869), (1657, 124605), (1755, 117647), (1917, 107705), (2769, 74565), (3195, 64623), (4615, 44739), (4971, 41535), (8285, 24921), (8307, 24855), (9585, 21541), (13845, 14913)]