210005785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1\times {\mathrm{1109}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 278134920

約数和(自身を除く): 68129135

約数列:

[1, 5, 11, 55, 121, 313, 605, 1109, 1565, 3443, 5545, 12199, 17215, 37873, 60995, 134189, 189365, 347117, 670945, 1735585, 3818287, 19091435, 42001157, 210005785]

約数ペア:

[(1, 210005785), (5, 42001157), (11, 19091435), (55, 3818287), (121, 1735585), (313, 670945), (605, 347117), (1109, 189365), (1565, 134189), (3443, 60995), (5545, 37873), (12199, 17215)]