218647215

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 400780800

約数和(自身を除く): 182133585

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 97, 135, 177, 283, 291, 295, 485, 531, 849, 873, 885, 1415, 1455, 1593, 2547, 2619, 2655, 4245, 4365, 5723, 7641, 7965, 12735, 13095, 16697, 17169, 27451, 28615, 38205, 50091, 51507, 82353, 83485, 85845, 137255, 150273, 154521, 247059, 250455, 257535, 411765, 450819, 741177, 751365, 772605, 1235295, 1619609, 2254095, 3705885, 4858827, 8098045, 14576481, 24294135, 43729443, 72882405, 218647215]

約数ペア:

[(1, 218647215), (3, 72882405), (5, 43729443), (9, 24294135), (15, 14576481), (27, 8098045), (45, 4858827), (59, 3705885), (97, 2254095), (135, 1619609), (177, 1235295), (283, 772605), (291, 751365), (295, 741177), (485, 450819), (531, 411765), (849, 257535), (873, 250455), (885, 247059), (1415, 154521), (1455, 150273), (1593, 137255), (2547, 85845), (2619, 83485), (2655, 82353), (4245, 51507), (4365, 50091), (5723, 38205), (7641, 28615), (7965, 27451), (12735, 17169), (13095, 16697)]