291279255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 492527616

約数和(自身を除く): 201248361

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 223, 265, 465, 669, 795, 1115, 1643, 2809, 3345, 4929, 6913, 8215, 8427, 11819, 14045, 20739, 24645, 34565, 35457, 42135, 59095, 87079, 103695, 177285, 261237, 366389, 435395, 626407, 1099167, 1306185, 1831945, 1879221, 3132035, 5495835, 9396105, 19418617, 58255851, 97093085, 291279255]

約数ペア:

[(1, 291279255), (3, 97093085), (5, 58255851), (15, 19418617), (31, 9396105), (53, 5495835), (93, 3132035), (155, 1879221), (159, 1831945), (223, 1306185), (265, 1099167), (465, 626407), (669, 435395), (795, 366389), (1115, 261237), (1643, 177285), (2809, 103695), (3345, 87079), (4929, 59095), (6913, 42135), (8215, 35457), (8427, 34565), (11819, 24645), (14045, 20739)]