19069425

素因数分解:

$3^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 36740704

約数和(自身を除く): 17671279

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 73, 75, 81, 129, 135, 215, 219, 225, 243, 365, 387, 405, 645, 657, 675, 1075, 1095, 1161, 1215, 1825, 1935, 1971, 2025, 3139, 3225, 3285, 3483, 5475, 5805, 5913, 6075, 9417, 9675, 9855, 10449, 15695, 16425, 17415, 17739, 28251, 29025, 29565, 47085, 49275, 52245, 78475, 84753, 87075, 88695, 141255, 147825, 235425, 254259, 261225, 423765, 443475, 706275, 762777, 1271295, 2118825, 3813885, 6356475, 19069425]

約数ペア:

[(1, 19069425), (3, 6356475), (5, 3813885), (9, 2118825), (15, 1271295), (25, 762777), (27, 706275), (43, 443475), (45, 423765), (73, 261225), (75, 254259), (81, 235425), (129, 147825), (135, 141255), (215, 88695), (219, 87075), (225, 84753), (243, 78475), (365, 52245), (387, 49275), (405, 47085), (645, 29565), (657, 29025), (675, 28251), (1075, 17739), (1095, 17415), (1161, 16425), (1215, 15695), (1825, 10449), (1935, 9855), (1971, 9675), (2025, 9417), (3139, 6075), (3225, 5913), (3285, 5805), (3483, 5475)]