290429445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{27779}}^1$

素因数の和:27845

約数の個数: 32

約数和(自身を含む): 504040320

約数和(自身を除く): 213610875

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 27779, 83337, 138895, 416685, 472243, 1138939, 1416729, 2361215, 3416817, 5694695, 7083645, 17084085, 19361963, 58085889, 96809815, 290429445]

約数ペア:

[(1, 290429445), (3, 96809815), (5, 58085889), (15, 19361963), (17, 17084085), (41, 7083645), (51, 5694695), (85, 3416817), (123, 2361215), (205, 1416729), (255, 1138939), (615, 472243), (697, 416685), (2091, 138895), (3485, 83337), (10455, 27779)]