201975515

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{3121}}^1$

素因数の和:3219

約数の個数: 24

約数和(自身を含む): 283677408

約数和(自身を除く): 81701893

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1849, 3121, 9245, 12943, 15605, 21847, 64715, 109235, 134203, 671015, 939421, 4697105, 5770729, 28853645, 40395103, 201975515]

約数ペア:

[(1, 201975515), (5, 40395103), (7, 28853645), (35, 5770729), (43, 4697105), (215, 939421), (301, 671015), (1505, 134203), (1849, 109235), (3121, 64715), (9245, 21847), (12943, 15605)]