205153935

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{279121}}^1$

素因数の和:279143

約数の個数: 24

約数和(自身を含む): 381838896

約数和(自身を除く): 176684961

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 279121, 837363, 1395605, 1953847, 4186815, 5861541, 9769235, 13676929, 29307705, 41030787, 68384645, 205153935]

約数ペア:

[(1, 205153935), (3, 68384645), (5, 41030787), (7, 29307705), (15, 13676929), (21, 9769235), (35, 5861541), (49, 4186815), (105, 1953847), (147, 1395605), (245, 837363), (735, 279121)]