199621275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{380231}}^1$

素因数の和:380251

約数の個数: 24

約数和(自身を含む): 377190144

約数和(自身を除く): 177568869

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 380231, 1140693, 1901155, 2661617, 5703465, 7984851, 9505775, 13308085, 28517325, 39924255, 66540425, 199621275]

約数ペア:

[(1, 199621275), (3, 66540425), (5, 39924255), (7, 28517325), (15, 13308085), (21, 9505775), (25, 7984851), (35, 5703465), (75, 2661617), (105, 1901155), (175, 1140693), (525, 380231)]