291207195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1993}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 537518592

約数和(自身を除く): 246311397

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 191, 255, 573, 765, 955, 1719, 1993, 2865, 3247, 5979, 8595, 9741, 9965, 16235, 17937, 29223, 29895, 33881, 48705, 89685, 101643, 146115, 169405, 304929, 380663, 508215, 1141989, 1524645, 1903315, 3425967, 5709945, 6471271, 17129835, 19413813, 32356355, 58241439, 97069065, 291207195]

約数ペア:

[(1, 291207195), (3, 97069065), (5, 58241439), (9, 32356355), (15, 19413813), (17, 17129835), (45, 6471271), (51, 5709945), (85, 3425967), (153, 1903315), (191, 1524645), (255, 1141989), (573, 508215), (765, 380663), (955, 304929), (1719, 169405), (1993, 146115), (2865, 101643), (3247, 89685), (5979, 48705), (8595, 33881), (9741, 29895), (9965, 29223), (16235, 17937)]