66943365

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 122653440

約数和(自身を除く): 55710075

約数列:

[1, 3, 5, 15, 17, 19, 41, 51, 57, 85, 95, 123, 205, 255, 285, 323, 337, 615, 697, 779, 969, 1011, 1615, 1685, 2091, 2337, 3485, 3895, 4845, 5055, 5729, 6403, 10455, 11685, 13243, 13817, 17187, 19209, 28645, 32015, 39729, 41451, 66215, 69085, 85935, 96045, 108851, 198645, 207255, 234889, 262523, 326553, 544255, 704667, 787569, 1174445, 1312615, 1632765, 3523335, 3937845, 4462891, 13388673, 22314455, 66943365]

約数ペア:

[(1, 66943365), (3, 22314455), (5, 13388673), (15, 4462891), (17, 3937845), (19, 3523335), (41, 1632765), (51, 1312615), (57, 1174445), (85, 787569), (95, 704667), (123, 544255), (205, 326553), (255, 262523), (285, 234889), (323, 207255), (337, 198645), (615, 108851), (697, 96045), (779, 85935), (969, 69085), (1011, 66215), (1615, 41451), (1685, 39729), (2091, 32015), (2337, 28645), (3485, 19209), (3895, 17187), (4845, 13817), (5055, 13243), (5729, 11685), (6403, 10455)]