19651275

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4159}}^1$

素因数の和:4185

約数の個数: 48

約数和(自身を含む): 41267200

約数和(自身を除く): 21615925

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4159, 4725, 12477, 20795, 29113, 37431, 62385, 87339, 103975, 112293, 145565, 187155, 262017, 311925, 436695, 561465, 727825, 786051, 935775, 1310085, 2183475, 2807325, 3930255, 6550425, 19651275]

約数ペア:

[(1, 19651275), (3, 6550425), (5, 3930255), (7, 2807325), (9, 2183475), (15, 1310085), (21, 935775), (25, 786051), (27, 727825), (35, 561465), (45, 436695), (63, 311925), (75, 262017), (105, 187155), (135, 145565), (175, 112293), (189, 103975), (225, 87339), (315, 62385), (525, 37431), (675, 29113), (945, 20795), (1575, 12477), (4159, 4725)]