2157084015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 3727752192

約数和(自身を除く): 1570668177

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 283, 355, 421, 849, 1065, 1207, 1263, 1415, 2105, 3621, 4245, 4811, 6035, 6315, 7157, 14433, 18105, 20093, 21471, 24055, 29891, 35785, 60279, 72165, 89673, 100465, 107355, 119143, 149455, 301395, 341581, 357429, 448365, 508147, 595715, 1024743, 1524441, 1707905, 1787145, 2025431, 2540735, 5123715, 6076293, 7622205, 8459153, 10127155, 25377459, 30381465, 42295765, 126887295, 143805601, 431416803, 719028005, 2157084015]

約数ペア:

[(1, 2157084015), (3, 719028005), (5, 431416803), (15, 143805601), (17, 126887295), (51, 42295765), (71, 30381465), (85, 25377459), (213, 10127155), (255, 8459153), (283, 7622205), (355, 6076293), (421, 5123715), (849, 2540735), (1065, 2025431), (1207, 1787145), (1263, 1707905), (1415, 1524441), (2105, 1024743), (3621, 595715), (4245, 508147), (4811, 448365), (6035, 357429), (6315, 341581), (7157, 301395), (14433, 149455), (18105, 119143), (20093, 107355), (21471, 100465), (24055, 89673), (29891, 72165), (35785, 60279)]