28048275

素因数分解:

$3^{10}\times 5^2\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 66

約数和(自身を含む): 54915260

約数和(自身を除く): 26866985

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 675, 729, 855, 1215, 1425, 1539, 2025, 2187, 2565, 3645, 4275, 4617, 6075, 6561, 7695, 10935, 12825, 13851, 18225, 19683, 23085, 32805, 38475, 41553, 54675, 59049, 69255, 98415, 115425, 124659, 164025, 207765, 295245, 346275, 373977, 492075, 623295, 1038825, 1121931, 1476225, 1869885, 3116475, 5609655, 9349425, 28048275]

約数ペア:

[(1, 28048275), (3, 9349425), (5, 5609655), (9, 3116475), (15, 1869885), (19, 1476225), (25, 1121931), (27, 1038825), (45, 623295), (57, 492075), (75, 373977), (81, 346275), (95, 295245), (135, 207765), (171, 164025), (225, 124659), (243, 115425), (285, 98415), (405, 69255), (475, 59049), (513, 54675), (675, 41553), (729, 38475), (855, 32805), (1215, 23085), (1425, 19683), (1539, 18225), (2025, 13851), (2187, 12825), (2565, 10935), (3645, 7695), (4275, 6561), (4617, 6075)]