211271815

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 268407360

約数和(自身を除く): 57135545

約数列:

[1, 5, 29, 47, 145, 235, 841, 1069, 1363, 4205, 5345, 6815, 31001, 39527, 50243, 155005, 197635, 251215, 899029, 1457047, 4495145, 7285235, 42254363, 211271815]

約数ペア:

[(1, 211271815), (5, 42254363), (29, 7285235), (47, 4495145), (145, 1457047), (235, 899029), (841, 251215), (1069, 197635), (1363, 155005), (4205, 50243), (5345, 39527), (6815, 31001)]