1962225

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 4062240

約数和(自身を除く): 2100015

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 75, 81, 85, 95, 135, 153, 171, 225, 243, 255, 285, 323, 405, 425, 459, 475, 513, 675, 765, 855, 969, 1215, 1275, 1377, 1425, 1539, 1615, 2025, 2295, 2565, 2907, 3825, 4131, 4275, 4617, 4845, 6075, 6885, 7695, 8075, 8721, 11475, 12825, 14535, 20655, 23085, 24225, 26163, 34425, 38475, 43605, 72675, 78489, 103275, 115425, 130815, 218025, 392445, 654075, 1962225]

約数ペア:

[(1, 1962225), (3, 654075), (5, 392445), (9, 218025), (15, 130815), (17, 115425), (19, 103275), (25, 78489), (27, 72675), (45, 43605), (51, 38475), (57, 34425), (75, 26163), (81, 24225), (85, 23085), (95, 20655), (135, 14535), (153, 12825), (171, 11475), (225, 8721), (243, 8075), (255, 7695), (285, 6885), (323, 6075), (405, 4845), (425, 4617), (459, 4275), (475, 4131), (513, 3825), (675, 2907), (765, 2565), (855, 2295), (969, 2025), (1215, 1615), (1275, 1539), (1377, 1425)]